diff --git a/src/calibre/customize/builtins.py b/src/calibre/customize/builtins.py
index 9a32774f5f..045d6289b7 100644
--- a/src/calibre/customize/builtins.py
+++ b/src/calibre/customize/builtins.py
@@ -442,7 +442,7 @@ from calibre.devices.irexdr.driver import IREXDR1000, IREXDR800
 from calibre.devices.jetbook.driver import JETBOOK
 from calibre.devices.kindle.driver import KINDLE, KINDLE2, KINDLE_DX
 from calibre.devices.nook.driver import NOOK
-from calibre.devices.prs505.driver import PRS505, PRS700
+from calibre.devices.prs505.driver import PRS505
 from calibre.devices.android.driver import ANDROID, S60
 from calibre.devices.nokia.driver import N770, N810
 from calibre.devices.eslick.driver import ESLICK
@@ -510,7 +510,6 @@ plugins += [
     KINDLE_DX,
     NOOK,
     PRS505,
-    PRS700,
     ANDROID,
     S60,
     N770,
diff --git a/src/calibre/devices/prs505/driver.py b/src/calibre/devices/prs505/driver.py
index 7277b24723..74e1bf0a7e 100644
--- a/src/calibre/devices/prs505/driver.py
+++ b/src/calibre/devices/prs505/driver.py
@@ -1,12 +1,9 @@
-# -*- coding: utf-8 -*-
-
 __license__   = 'GPL v3'
-__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net> ' \
-                '2009, John Schember <john at nachtimwald.com>'
+__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
 '''
-Device driver for the SONY PRS-505
+Device driver for the SONY devices
 '''
 
 import os
@@ -20,27 +17,33 @@ from calibre import __appname__
 
 class PRS505(USBMS):
 
-    name           = 'PRS-300/505 Device Interface'
+    name           = 'SONY Device Interface'
     gui_name       = 'SONY Reader'
-    description    = _('Communicate with the Sony PRS-300/505/500 eBook reader.')
-    author         = 'Kovid Goyal and John Schember'
+    description    = _('Communicate with all the Sony eBook readers.')
+    author         = 'Kovid Goyal'
     supported_platforms = ['windows', 'osx', 'linux']
     path_sep = '/'
 
     FORMATS      = ['epub', 'lrf', 'lrx', 'rtf', 'pdf', 'txt']
 
     VENDOR_ID    = [0x054c]   #: SONY Vendor Id
-    PRODUCT_ID   = [0x031e]   #: Product Id for the PRS 300/505/new 500
-    BCD          = [0x229, 0x1000, 0x22a]
+    PRODUCT_ID   = [0x031e]
+    BCD          = [0x229, 0x1000, 0x22a, 0x31a]
 
     VENDOR_NAME        = 'SONY'
-    WINDOWS_MAIN_MEM   = re.compile('PRS-(505|300|500)')
-    WINDOWS_CARD_A_MEM = re.compile(r'PRS-(505|500)[#/]\S+:MS')
-    WINDOWS_CARD_B_MEM = re.compile(r'PRS-(505|500)[#/]\S+:SD')
+    WINDOWS_MAIN_MEM   = re.compile(
+            r'(PRS-(505|300|500))|'
+            r'(PRS-((700[#/])|((6|9)00&)))'
+            )
+    WINDOWS_CARD_A_MEM = re.compile(
+            r'(PRS-(505|500)[#/]\S+:MS)|'
+            r'(PRS-((700[/#]\S+:)|((6|9)00[#_]))MS)'
+            )
+    WINDOWS_CARD_B_MEM = re.compile(
+            r'(PRS-(505|500)[#/]\S+:SD)|'
+            r'(PRS-((700[/#]\S+:)|((6|9)00[#_]))SD)'
+            )
 
-    OSX_MAIN_MEM   = re.compile(r'Sony PRS-(((505|300|500)/[^:]+)|(300)) Media')
-    OSX_CARD_A_MEM = re.compile(r'Sony PRS-(505|500)/[^:]+:MS Media')
-    OSX_CARD_B_MEM = re.compile(r'Sony PRS-(505|500)/[^:]+:SD Media')
 
     MAIN_MEMORY_VOLUME_LABEL  = 'Sony Reader Main Memory'
     STORAGE_CARD_VOLUME_LABEL = 'Sony Reader Storage Card'
@@ -109,20 +112,4 @@ class PRS505(USBMS):
 
         USBMS.sync_booklists(self, booklists, end_session=end_session)
 
-class PRS700(PRS505):
 
-    name           = 'PRS-600/700/900 Device Interface'
-    description    = _('Communicate with the Sony PRS-600/700/900 eBook reader.')
-    author         = 'Kovid Goyal and John Schember'
-    gui_name       = 'SONY Reader'
-    supported_platforms = ['windows', 'osx', 'linux']
-
-    BCD          = [0x31a]
-
-    WINDOWS_MAIN_MEM = re.compile('PRS-((700[#/])|((6|9)00&))')
-    WINDOWS_CARD_A_MEM = re.compile(r'PRS-((700[/#]\S+:)|((6|9)00[#_]))MS')
-    WINDOWS_CARD_B_MEM = re.compile(r'PRS-((700[/#]\S+:)|((6|9)00[#_]))SD')
-
-    OSX_MAIN_MEM   = re.compile(r'Sony PRS-((700/[^:]+)|((6|9)00)) Media')
-    OSX_CARD_A_MEM = re.compile(r'Sony PRS-((700/[^:]+:)|((6|9)00 ))MS Media')
-    OSX_CARD_B_MEM = re.compile(r'Sony PRS-((700/[^:]+:)|((6|9)00 ))SD Media')