I think I may have found the version of Linux I will be installing .
LinuxMCE 0704 is now released. It's a huge improvement, and includes a new demo video that is a full walkthrough.
The google video is very cool!
This OS (it's so much more than just an OS.) can do everything:
Media & Entertainment
How about set up your hone PBX phone system and just plug in your IP phone.
It uses Kubuntu and does a complete set up for you.
You can have a media center in any room you have a cat5 drop in.