For you fans of the juicy Xbox 360 HD DVD, an update is currently available over on Xbox Live. If you don’t have Xbox Live, you can download the update later this week from Xbox.com.
-Added option for user to select from the following audio output formats via TOSLINK or HDMI:
1.Digital Stereo (2 channel PCM)
2.Dolby Digital 5.1
3.DTS 5.1
4.WMA Pro
-Added "Dynamic Range Control" toggle for digital audio output
-Improved HD DVD networking support
-Improved HD DVD title compatibility
-Improved performance with MPEG-4 AVC / H.264
-1080p via HDMI is supported on the Xbox 360 Elite with HDCP compliant displays
-Improved parental controls
[Via Next Generation]
