After the announcement of Microsoft's new encoding for HiDef DVDs I too have been looking into getting a Media Center style PC set up. I really like some of the specs on the Alienware Navigator. I priced out everything except the OS and I can get the same hardware PLUS a HD-recording Hauppauge card for $300 less at NewEgg.

That's the kicker... you cannot buy WinXp Media Center Edition without a pre-built machine. I've also checked out the MythTV stuff. Very impressive, but it looks extremely complex to set up. That and I fear Linux... I am but a dumb artist. I like my clicky-boxes and hate dual booting.

I'd be very interested in hearing what you guys end up doing... My friend has the new TiVo media stuff and it seems pretty cool, but I want the versatility of a PC.