Where's the Linux Media Center?

LinuxIf someone has the time to cook up the excellent Xbox Media Center modification, why isn't there a killer media center setup for Linux PC's? Steven J. Vaughan-Nichols investigates, pointing out MythTV and a few others, but seems mostly unsatisfied.

Also for the interested is a rundown on how to get MythTV up and running with Linux (via digg) thats a bit less complicated that the guide we previously posted.