360 HD DVD Player Update

Along with the May dash update is the HD DVD update which can be downloaded the next time you pop in a HD DVD while signed on to Xbox Live. The new update will contain many improvements, features, and upgrades. From Major Nelson:

Added option for user to select from the following audio output formats via TOSLINK or HDMI: o Digital Stereo (2 channel PCM) o Dolby Digital 5.1 o DTS 5.1 o 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 If you don’t have access to Xbox Live, this update will be available for download from Xbox.com later this week.