Barb Bowman with help from Doug Knox (both Windows Media Center MVPs) and Steve Makofsky (Software Development Engineer at Microsoft) have Windows Media Center running on the MacBook Pro.
Here's How I did it - Mac MCE (Barb)
Boot Camp: Day 1 (Steve)
Steve, Barb even has TV working on the MacBook Pro -- something I know you were asking about last night in an email.
I've got a challenge for you, Barb and Doug: Can you get the Portable Media Center interface (which looks and feels like Windows Media Center) to run on an iPod...?