Firmware 2.1 for HD-XA1, HD-A1, and HD-D1
http://www.tacp.toshiba.com/tacpassets- ... rmware.asp
This firmware update adds support for certain anticipated network delivered content in future HD DVD discs, improves certain video and audio processing capabilities, as well as addresses certain disc playback and HDMI/DVI related problems identified by Toshiba.
Firmware 1.3 for HD-XA2, HD-A2, HD-A2W, and HD-D2
http://www.tacp.toshiba.com/tacpassets- ... rmware.asp
As part of our commitment to provide world-class service to our customers, Toshiba is supplying this firmware update for use by purchasers of Toshiba HD DVD Player models HD-XA2, HD-A2, HD-A2W, and HD-D2. This firmware update addresses certain disc playback and HDMI/DVI related problems identified by Toshiba.
Take not that both address certain disc playback problems. I'm guessing this is due to issues with Universal's combo discs.