Okay, got the console log form when the login process is started, until I can actually use the machine,
does not mean a lot to me, but hopefully someone more knowledgeable may spot something.......
20/04/2013 22:31:56.124 loginwindow[68]: Login Window - Returned from Security Agent
20/04/2013 22:31:56.137 loginwindow[68]: ERROR | ScreensharingLoginNotification | Failed sending message to screen sharing GetScreensharingPort, err: 1102
20/04/2013 22:31:56.139 WindowServer[91]: Display 0x1a4924c1: MappedDisplay Unit 1; ColorProfile { 2, "VE247"}; TransferFormula (1.000000, 1.000000, 1.000000)
20/04/2013 22:31:56.167 loginwindow[68]: USER_PROCESS: 68 console
20/04/2013 22:31:56.205 WindowServer[91]: Display 0x1a4924c1: MappedDisplay Unit 1; ColorProfile { 2, "VE247"}; TransferFormula (1.000000, 1.000000, 1.000000)
20/04/2013 22:31:56.355 com.apple.launchd.peruser.501[147]: (com.apple.gamed) Ignored this key: UserName
20/04/2013 22:31:56.355 com.apple.launchd.peruser.501[147]: (com.apple.gamed) Ignored this key: GroupName
20/04/2013 22:31:56.356 com.apple.launchd.peruser.501[147]: (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
20/04/2013 22:31:56.364 loginwindow[68]: Connection with distnoted server was invalidated
20/04/2013 22:31:56.407 distnoted[151]: # distnote server agent absolute time: 70.549487002 civil time: Sat Apr 20 22:31:56 2013 pid: 151 uid: 501 root: no
20/04/2013 22:31:56.409 distnoted[151]: Bug: 12D78: liblaunch.dylib + 23849 [2F71CAF8-6524-329E-AC56-C506658B4C0C]: 0x25
20/04/2013 22:31:56.635 WindowServer[91]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
20/04/2013 22:31:56.837 com.apple.SecurityServer[18]: Session 100003 created
20/04/2013 22:31:57.323 com.apple.launchd.peruser.501[147]: (com.apple.afpstat-qfa[182]) Exited with code: 2
20/04/2013 22:31:57.000 kernel[0]: CODE SIGNING: cs_invalid_page(0x1000): p=184[GoogleSoftwareUp] clearing CS_VALID
20/04/2013 22:31:58.208 WindowServer[91]: Created shield window 0x16 for display 0x1a4924c1
20/04/2013 22:31:58.209 WindowServer[91]: Display 0x1a4924c1: MappedDisplay Unit 1; ColorProfile { 3, "VE247 Calibrated"}; TransferFormula (1.657501, 1.657501, 1.657501)
20/04/2013 22:31:58.991 com.apple.launchd.peruser.501[147]: (com.apple.mrt.uiagent[172]) Exited with code: 255
20/04/2013 22:31:59.147 NetworkBrowserAgent[198]: Starting NetworkBrowserAgent
20/04/2013 22:31:59.475 blued[45]: kBTXPCUpdateUserPreferences gConsoleUserUID = 501
20/04/2013 22:32:01.234 locationd[199]: NOTICE,Location icon should now be in state 0
20/04/2013 22:32:01.866 Finder[163]: TotalFinderInjector v1.4.9 received init event
20/04/2013 22:32:01.922 Finder[163]: TotalFinderInjector: Installing TotalFinder ...
20/04/2013 22:32:01.928 Finder[163]: Launching TotalFinderCrashWatcher from '/Library/ScriptingAdditions/TotalFinder.osax/Contents/Resources/TotalFinder.bundle/Contents/Resources/TotalFinderCrashWatcher.app'
20/04/2013 22:32:02.213 TotalFinderCrashWatcher[208]: Watching '/Volumes/ML-Home-Drive/Dave/Library/Logs/DiagnosticReports' for recent crash reports with prefix 'Finder'
20/04/2013 22:32:06.850 warmd[53]: [___bootcachectl_filter_out_sharedio_from_history_block_invoke_0:2321] Unable to open i386 shared cache: 2 No such file or directory
20/04/2013 22:32:08.000 kernel[0]: fsevents: watcher dbfseventsd (pid: 229) - Using /dev/fsevents directly is unsupported. Migrate to FSEventsFramework
20/04/2013 22:32:16.293 com.apple.launchd[1]: (com.apple.coreservices.appleid.authentication[134]) Exit timeout elapsed (20 seconds). Killing
20/04/2013 22:32:22.901 com.apple.SecurityServer[18]: Session 100002 created
20/04/2013 22:32:33.000 kernel[0]: Sound assertion in AppleHDACodecGeneric at line 360
20/04/2013 22:33:20.000 kernel[0]: Sound assertion in AppleHDACodecGeneric at line 360
20/04/2013 22:34:10.000 kernel[0]: Sound assertion in AppleHDACodecGeneric at line 360
20/04/2013 22:34:12.062 WindowServer[91]: Unable to open IOHIDSystem (e00002bd)
20/04/2013 22:34:12.000 kernel[0]: Sound assertion in AppleHDACodecGeneric at line 360
20/04/2013 22:34:12.000 kernel[0]: virtual bool IOHIDEventSystemUserClient::initWithTask(task_t, void *, UInt32): Client task not privileged to open IOHIDSystem for mapping memory (e00002c1)
20/04/2013 22:35:55.000 kernel[0]: considerRebuildOfPrelinkedKernel prebuild rebuild has expired