Ok, Tried the current SVN on the current T3CH release 'T3CH XBMC 2008-09-19 SVN rev15640-BETA1'.
The script gets to the point of trying to play the file through DVDplayer, then freezes up as it creates the demuxer.
08:22:57 M: 56426496 NOTICE: -----------------------------------------------------------------------
08:22:57 M: 56406016 NOTICE: Starting XBMC, Platform: Xbox. Built on Sep 20 2008
08:22:57 M: 56406016 NOTICE: Q is mapped to: F:\Apps\XBMC
08:22:57 M: 56406016 NOTICE: The executable running is: F:\Apps\XBMC\default.xbe
08:22:57 M: 56406016 NOTICE: Log File is located: Q:\xbmc.log
08:22:57 M: 56406016 NOTICE: -----------------------------------------------------------------------
08:22:57 M: 56406016 NOTICE: Unmapped drive T
08:22:57 M: 56406016 NOTICE: Mapping drive T to Harddisk0\Partition6\Apps\XBMC\UserData
08:22:57 M: 56406016 NOTICE: Setup DirectX
08:22:58 M: 56381440 NOTICE: Mapping drive C to Harddisk0\Partition2
08:22:58 M: 56381440 NOTICE: Mapping drive E to Harddisk0\Partition1
08:22:58 M: 56381440 NOTICE: Unmapped drive D
08:22:58 M: 56381440 NOTICE: Mapping drive D to Cdrom0
08:22:58 M: 56381440 NOTICE: Mapping drive F to Harddisk0\Partition6
08:22:58 M: 56381440 NOTICE: Mapping drive X to Harddisk0\Partition3
08:22:58 M: 56381440 NOTICE: Mapping drive Y to Harddisk0\Partition4
08:22:58 M: 56381440 NOTICE: Unmapped drive Z
08:22:58 M: 56381440 NOTICE: Mapping drive Z to Harddisk0\Partition5
08:22:58 M: 56381440 NOTICE: load settings...
08:22:58 M: 56381440 NOTICE: Mapping drive P to Harddisk0\Partition6\Apps\XBMC\UserData
08:22:58 M: 56381440 NOTICE: loading T:\guisettings.xml
08:22:58 M: 56184832 NOTICE: Getting hardware information now...
08:22:58 M: 56184832 NOTICE: Checking resolution 10
08:22:58 M: 56184832 NOTICE: Setting autoresolution mode 7
08:22:58 M: 56184832 NOTICE: Per AV pack settings are off
08:22:58 M: 56328192 NOTICE: q:\UserData\sources.xml
08:22:59 M: 50016256 NOTICE: Checking the Date!
08:22:59 M: 50016256 NOTICE: start dvd mediatype detection
08:22:59 M: 49950720 NOTICE: initializing playlistplayer
08:22:59 M: 49950720 NOTICE: DONE initializing playlistplayer
08:22:59 M: 49942528 NOTICE: load default skin:[MediaStream]
08:23:00 M: 47173632 NOTICE: Unmapped drive D
08:23:00 M: 47030272 NOTICE: Mapping drive D to Cdrom0
08:23:00 M: 45109248 ERROR: Window Translator: Can't find window settingscategory
08:23:00 M: 45088768 ERROR: Error evaluating boolean expression !Window.Previous(0) + !Window.Previous(SettingsCategory) + !Window.Previous(1001) + !Window.Previous(130) + !Window.Previous(34)
08:23:01 M: 43782144 WARNING: use dashboard
08:23:01 M: 43462656 NOTICE: initialize done
08:23:01 M: 43462656 NOTICE: Running the application...
08:23:01 M: 36691968 NOTICE: XBFileZilla: Starting...
08:23:01 M: 36626432 NOTICE: ES: Starting event server
08:23:01 M: 35565568 NOTICE: ES: Starting UDP Event server on 0.0.0.0:9777
08:23:01 M: 35565568 NOTICE: UDP: Listening on port 9777
08:23:01 M: 34852864 NOTICE: XBFileZilla: Started
08:23:21 M: 28147712 ERROR: Error Getting Directory (\)
08:25:38 M: 32514048 NOTICE: DVDPlayer: Opening: rtmp://213.123.84.228:1935/ondemand?_fcs_vhost=cp41752.edgefcs.net&auth=daEbYaHc9bkdla4cza6bzcKdhcjcHb5dVcG-bi2ER5-cCp-BnoFBowqGBtGswK&aifp=v001&slist=secure/b000dq8mr-streaming92354603
08:25:38 M: 32514048 WARNING: CDVDMessageQueue:
ut MSGQ_NOT_INITIALIZED
08:25:38 M: 31989760 NOTICE: Creating InputStream
08:25:38 M: 31457280 NOTICE: Creating Demuxer