Linksys is coming out with a network DVD player that supports HD DVDs (in Windows Media Video format) and music files. It has a 802.11g connection to access the video and audio files. In addition, it can access the Internet to access online weather forecasts, games and Video-On Demand.
It looks like it used to be the KISS DP-600, I assume that Linksys just bought it. Unfortunately, it looks like this is only available in Europe.