diff --git a/resources/recipes/pc_mag.recipe b/resources/recipes/pc_mag.recipe
index 7d6049ec2b..227d777034 100644
--- a/resources/recipes/pc_mag.recipe
+++ b/resources/recipes/pc_mag.recipe
@@ -9,8 +9,9 @@ __description__ = 'PCMag (www.pcmag.com) delivers authoritative, labs-based comp
 '''
 http://www.pcmag.com/
 '''
-
+import re
 from calibre.web.feeds.news import BasicNewsRecipe
+from calibre.ebooks.BeautifulSoup import Comment
 
 class pcMag(BasicNewsRecipe):
     __author__     = 'Lorenzo Vigentini'
@@ -33,9 +34,6 @@ class pcMag(BasicNewsRecipe):
     remove_javascript     = True
     no_stylesheets = True
 
-    keep_only_tags     = [
-                            dict(name='div', attrs={'id':'articleContent'})
-                        ]
 
     feeds          = [
                        (u'Tech Commentary from the Editors of PC Magazine', u'http://rssnewsapps.ziffdavis.com/PCMAG_commentary.xml'),
@@ -49,8 +47,13 @@ class pcMag(BasicNewsRecipe):
                        (u'Technology News from Ziff Davis', u'http://rssnewsapps.ziffdavis.com/pcmagbreakingnews.xml')
                      ]
 
+    keep_only_tags = [dict(attrs={'class':'content-page'})]
     remove_tags         = [
-                            dict(name='div', attrs={'id':['microAd','intellitxt','articleDeckTalkback','inlineDigg','underArticleLinks','w_talkback']}),
-                            dict(name='span', attrs={'id':['highlights_content','yahooBuzzBadge-48558872521263350499378']})
-                          ]
+                            dict(attrs={'class':['control-side','comment','highlights_content','btn-holder','subscribe-panel',
+                                'grey-box comments-box']}),
+                            dict(id=['inlineDigg']),
+                            dict(text=lambda text:isinstance(text, Comment)),
+                            dict(name='img', width='1'),
+                        ]
+    preprocess_regexps = [(re.compile(r"<img '[^']+?'"), lambda m : '<img ')]
 
diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 95d5f2c31a..a3eb4272ba 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -7,7 +7,7 @@ import os
 import glob
 from calibre.customize import FileTypePlugin, MetadataReaderPlugin, MetadataWriterPlugin
 from calibre.constants import numeric_version
-from calibre.ebooks.metadata.archive import ArchiveExtract
+from calibre.ebooks.metadata.archive import ArchiveExtract, get_cbz_metadata
 
 class HTML2ZIP(FileTypePlugin):
     name = 'HTML to ZIP'
@@ -97,6 +97,12 @@ class ComicMetadataReader(MetadataReaderPlugin):
         from calibre.ebooks.metadata import MetaInformation
         ret = extract_first(stream)
         mi = MetaInformation(None, None)
+        stream.seek(0)
+        if ftype == 'cbz':
+            try:
+                mi.smart_update(get_cbz_metadata(stream))
+            except:
+                pass
         if ret is not None:
             path, data = ret
             ext = os.path.splitext(path)[1][1:]
diff --git a/src/calibre/devices/prs505/driver.py b/src/calibre/devices/prs505/driver.py
index 448965a913..7facd4d3bb 100644
--- a/src/calibre/devices/prs505/driver.py
+++ b/src/calibre/devices/prs505/driver.py
@@ -202,9 +202,11 @@ class PRS505(CLI, Device):
 
         def write_card_prefix(prefix, listid):
             if prefix is not None and hasattr(booklists[listid], 'write'):
-                if not os.path.exists(prefix):
-                    os.makedirs(prefix)
-                with open(prefix + self.__class__.CACHE_XML, 'wb') as f:
+                tgt  = os.path.join(prefix, *(self.CACHE_XML.split('/')))
+                base = os.path.dirname(tgt)
+                if not os.path.exists(base):
+                    os.makedirs(base)
+                with open(tgt, 'wb') as f:
                     booklists[listid].write(f)
         write_card_prefix(self._card_a_prefix, 1)
         write_card_prefix(self._card_b_prefix, 2)
diff --git a/src/calibre/ebooks/epub/output.py b/src/calibre/ebooks/epub/output.py
index 61aa2c359a..dc8905619d 100644
--- a/src/calibre/ebooks/epub/output.py
+++ b/src/calibre/ebooks/epub/output.py
@@ -81,12 +81,40 @@ class EPUBOutput(OutputFormatPlugin):
         OptionRecommendation(name='no_default_epub_cover', recommended_value=False,
             help=_('Normally, if the input file has no cover and you don\'t'
             ' specify one, a default cover is generated with the title, '
-            'authors, etc. This option disables the generation of this cover.')),
+            'authors, etc. This option disables the generation of this cover.')
+        ),
+
+        OptionRecommendation(name='no_svg_cover', recommended_value=False,
+            help=_('Do not use SVG for the book cover. Use this option if '
+                'your EPUB is going to be used ona  device that does not '
+                'support SVG, like the iPhone or the JetBook Lite. '
+                'Without this option, such devices will display the cover '
+                'as a blank page.')
+        ),
 
         ])
 
     recommendations = set([('pretty_print', True, OptionRecommendation.HIGH)])
 
+    NONSVG_TITLEPAGE_COVER = '''\
+        <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+            <head>
+                <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+                <meta name="calibre:cover" content="true" />
+                <title>Cover</title>
+                <style type="text/css" title="override_css">
+                    @page {padding: 0pt; margin:0pt}
+                    body { text-align: center; padding:0pt; margin: 0pt; }
+                    div { padding:0pt; margin: 0pt; }
+                </style>
+            </head>
+            <body>
+                <div>
+                    <img src="%s" alt="cover" style="height: 100%%" />
+                </div>
+            </body>
+        </html>
+    '''
 
     TITLEPAGE_COVER = '''\
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
@@ -301,7 +329,9 @@ class EPUBOutput(OutputFormatPlugin):
             else:
                 href = self.default_cover()
             if href is not None:
-                tp = self.TITLEPAGE_COVER%unquote(href)
+                templ = self.NONSVG_TITLEPAGE_COVER if self.opts.no_svg_cover \
+                        else self.TITLEPAGE_COVER
+                tp = templ%unquote(href)
                 id, href = m.generate('titlepage', 'titlepage.xhtml')
                 item = m.add(id, href, guess_type('t.xhtml')[0],
                         data=etree.fromstring(tp))
diff --git a/src/calibre/ebooks/metadata/archive.py b/src/calibre/ebooks/metadata/archive.py
index 0af41c274f..45d549b6ea 100644
--- a/src/calibre/ebooks/metadata/archive.py
+++ b/src/calibre/ebooks/metadata/archive.py
@@ -64,3 +64,45 @@ class ArchiveExtract(FileTypePlugin):
                 of.write(zf.read(fname))
         return of.name
 
+def get_comic_book_info(d, mi):
+    series = d.get('series', '')
+    if series.strip():
+        mi.series = series
+        if d.get('volume', -1) > -1:
+            mi.series_index = float(d['volume'])
+    if d.get('rating', -1) > -1:
+        mi.rating = d['rating']
+    for x in ('title', 'publisher'):
+        y = d.get(x, '').strip()
+        if y:
+            setattr(mi, x, y)
+    tags = d.get('tags', [])
+    if tags:
+        mi.tags = tags
+    authors = []
+    for credit in d.get('credits', []):
+        if credit.get('role', '') in ('Writer', 'Artist', 'Cartoonist',
+                'Creator'):
+            x = credit.get('person', '')
+            if x:
+                x = ' '.join((reversed(x.split(', '))))
+                authors.append(x)
+    if authors:
+        mi.authors = authors
+
+
+
+def get_cbz_metadata(stream):
+    from calibre.utils.zipfile import ZipFile
+    from calibre.ebooks.metadata import MetaInformation
+    import json
+
+    zf = ZipFile(stream)
+    mi = MetaInformation(None, None)
+    if zf.comment:
+        m = json.loads(zf.comment)
+        if hasattr(m, 'keys'):
+            for cat in m.keys():
+                if cat.startswith('ComicBookInfo'):
+                    get_comic_book_info(m[cat], mi)
+    return mi
diff --git a/src/calibre/ebooks/oeb/stylizer.py b/src/calibre/ebooks/oeb/stylizer.py
index c9f228a091..0557a1f74d 100644
--- a/src/calibre/ebooks/oeb/stylizer.py
+++ b/src/calibre/ebooks/oeb/stylizer.py
@@ -96,6 +96,8 @@ class CSSSelector(etree.XPath):
             path = css_to_xpath(css)
         except UnicodeEncodeError: # Bug in css_to_xpath
             path = '/'
+        except NotImplementedError: # Probably a subselect like :hover
+            path = '/'
         path = self.LOCAL_NAME_RE.sub(r"local-name() = '", path)
         etree.XPath.__init__(self, path, namespaces=namespaces)
         self.css = css
@@ -534,6 +536,8 @@ class Style(object):
                 result = base
             else:
                 result = self._unit_convert(width, base=base)
+            if isinstance(result, (unicode, str, bytes)):
+                result = self._profile.width
             self._width = result
         return self._width
 
@@ -555,6 +559,8 @@ class Style(object):
                 result = base
             else:
                 result = self._unit_convert(height, base=base)
+            if isinstance(result, (unicode, str, bytes)):
+                result = self._profile.height
             self._height = result
         return self._height
 
diff --git a/src/calibre/gui2/convert/epub_output.py b/src/calibre/gui2/convert/epub_output.py
index 2afa662fb4..57027d9315 100644
--- a/src/calibre/gui2/convert/epub_output.py
+++ b/src/calibre/gui2/convert/epub_output.py
@@ -17,7 +17,8 @@ class PluginWidget(Widget, Ui_Form):
 
     def __init__(self, parent, get_option, get_help, db=None, book_id=None):
         Widget.__init__(self, parent, 'epub_output',
-                ['dont_split_on_page_breaks', 'flow_size', 'no_default_epub_cover']
+                ['dont_split_on_page_breaks', 'flow_size',
+                    'no_default_epub_cover', 'no_svg_cover']
                 )
         self.db, self.book_id = db, book_id
         self.initialize_options(get_option, get_help, db, book_id)
diff --git a/src/calibre/gui2/convert/epub_output.ui b/src/calibre/gui2/convert/epub_output.ui
index f282214996..7f92ec3087 100644
--- a/src/calibre/gui2/convert/epub_output.ui
+++ b/src/calibre/gui2/convert/epub_output.ui
@@ -21,7 +21,7 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="0">
+   <item row="3" column="0">
     <widget class="QLabel" name="label">
      <property name="text">
       <string>Split files &amp;larger than:</string>
@@ -31,7 +31,7 @@
      </property>
     </widget>
    </item>
-   <item row="2" column="1">
+   <item row="3" column="1">
     <widget class="QSpinBox" name="opt_flow_size">
      <property name="suffix">
       <string> KB</string>
@@ -47,7 +47,7 @@
      </property>
     </widget>
    </item>
-   <item row="3" column="0">
+   <item row="4" column="0">
     <spacer name="verticalSpacer">
      <property name="orientation">
       <enum>Qt::Vertical</enum>
@@ -67,6 +67,13 @@
      </property>
     </widget>
    </item>
+   <item row="2" column="0">
+    <widget class="QCheckBox" name="opt_no_svg_cover">
+     <property name="text">
+      <string>No &amp;SVG cover</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>
diff --git a/src/calibre/gui2/convert/regex_builder.py b/src/calibre/gui2/convert/regex_builder.py
index 83e548f81d..1ecb595e73 100644
--- a/src/calibre/gui2/convert/regex_builder.py
+++ b/src/calibre/gui2/convert/regex_builder.py
@@ -8,7 +8,7 @@ import re
 
 from PyQt4.QtCore import SIGNAL, Qt
 from PyQt4.QtGui import QDialog, QWidget, QDialogButtonBox, QFileDialog, \
-    QBrush, QSyntaxHighlighter, QTextCharFormat
+                        QBrush, QTextCursor, QTextEdit
 
 from calibre.gui2.convert.regex_builder_ui import Ui_RegexBuilder
 from calibre.gui2.convert.xexp_edit_ui import Ui_Form as Ui_Edit
@@ -17,31 +17,6 @@ from calibre.gui2 import error_dialog
 from calibre.ebooks.oeb.iterator import EbookIterator
 from calibre.gui2.dialogs.choose_format import ChooseFormatDialog
 
-class RegexHighlighter(QSyntaxHighlighter):
-
-    def __init__(self, *args):
-        QSyntaxHighlighter.__init__(self, *args)
-
-        self.regex = u''
-
-    def update_regex(self, regex):
-        self.regex = regex
-        self.rehighlight()
-
-    def highlightBlock(self, text):
-        valid_regex = True
-        text = qstring_to_unicode(text)
-        format = QTextCharFormat()
-        format.setBackground(QBrush(Qt.yellow))
-
-        if self.regex:
-            try:
-                for mo in re.finditer(self.regex, text):
-                    self.setFormat(mo.start(), mo.end() - mo.start(), format)
-            except:
-                valid_regex = False
-        self.emit(SIGNAL('regex_valid(PyQt_PyObject)'), valid_regex)
-
 class RegexBuilder(QDialog, Ui_RegexBuilder):
 
     def __init__(self, db, book_id, regex, *args):
@@ -49,9 +24,7 @@ class RegexBuilder(QDialog, Ui_RegexBuilder):
         self.setupUi(self)
 
         self.regex.setText(regex)
-        self.regex_valid(True)
-        self.highlighter = RegexHighlighter(self.preview.document())
-        self.highlighter.update_regex(regex)
+        self.regex_valid()
 
         if not db or not book_id:
             self.button_box.addButton(QDialogButtonBox.Open)
@@ -62,7 +35,7 @@ class RegexBuilder(QDialog, Ui_RegexBuilder):
         self.connect(self.regex, SIGNAL('textChanged(QString)'), self.regex_valid)
         self.connect(self.test, SIGNAL('clicked()'), self.do_test)
 
-    def regex_valid(self, valid):
+    def regex_valid(self):
         regex = qstring_to_unicode(self.regex.text())
         if regex:
             try:
@@ -70,11 +43,29 @@ class RegexBuilder(QDialog, Ui_RegexBuilder):
                 self.regex.setStyleSheet('QLineEdit { color: black; background-color: rgba(0,255,0,20%); }')
             except:
                 self.regex.setStyleSheet('QLineEdit { color: black; background-color: rgb(255,0,0,20%); }')
+                return False
         else:
             self.regex.setStyleSheet('QLineEdit { color: black; background-color: white; }')
+        return True
 
     def do_test(self):
-        self.highlighter.update_regex(qstring_to_unicode(self.regex.text()))
+        selections = []
+        if self.regex_valid():
+            text = qstring_to_unicode(self.preview.toPlainText())
+            regex = qstring_to_unicode(self.regex.text())
+
+            try:
+                for match in re.finditer(regex, text):
+                    cursor = QTextCursor(self.preview.document())
+                    cursor.setPosition(match.start(), QTextCursor.MoveAnchor)
+                    cursor.setPosition(match.end(), QTextCursor.KeepAnchor)
+                    sel = QTextEdit.ExtraSelection()
+                    sel.cursor = cursor
+                    sel.format.setBackground(QBrush(Qt.yellow))
+                    selections.append(sel)
+            except:
+                pass
+        self.preview.setExtraSelections(selections)
 
     def select_format(self, db, book_id):
         format = None
diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index e6cdf2bda9..c1e9da8b74 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -350,7 +350,8 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
 
         self.view_menu = QMenu()
         self.view_menu.addAction(_('View'))
-        self.view_menu.addAction(_('View specific format'))
+        ac = self.view_menu.addAction(_('View specific format'))
+        ac.setShortcut(Qt.AltModifier+Qt.Key_V)
         self.action_view.setMenu(self.view_menu)
 
         self.delete_menu = QMenu()
diff --git a/src/calibre/gui2/viewer/documentview.py b/src/calibre/gui2/viewer/documentview.py
index 7ca9b1bd95..a1ecf14dfd 100644
--- a/src/calibre/gui2/viewer/documentview.py
+++ b/src/calibre/gui2/viewer/documentview.py
@@ -394,13 +394,14 @@ class Document(QWebPage):
         return self.mainFrame().contentsSize().width() # offsetWidth gives inaccurate results
 
     def set_bottom_padding(self, amount):
-        padding = '%dpx'%amount
-        try:
-            old_padding = unicode(self.javascript('$("body").css("padding-bottom")').toString())
-        except:
-            old_padding = ''
+        body = self.mainFrame().documentElement().findFirst('body')
+        if body.isNull():
+            return
+        old_padding = unicode(body.styleProperty('padding-bottom',
+            body.ComputedStyle)).strip()
+        padding = u'%dpx'%amount
         if old_padding != padding:
-            self.javascript('$("body").css("padding-bottom", "%s")' % padding)
+            body.setStyleProperty('padding-bottom', padding + ' !important')
 
 
 class EntityDeclarationProcessor(object):
@@ -423,7 +424,7 @@ class DocumentView(QWebView):
         QWebView.__init__(self, *args)
         self.debug_javascript = False
         self.shortcuts =  Shortcuts(SHORTCUTS, 'shortcuts/viewer')
-        self.self_closing_pat = re.compile(r'<([a-z]+)\s+([^>]+)/>',
+        self.self_closing_pat = re.compile(r'<([a-z1-6]+)\s+([^>]+)/>',
                 re.IGNORECASE)
         self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
         self._size_hint = QSize(510, 680)