The PS3 runs Yellowdog.
The media PC (and my other PCs) are on 14Karat Linux :D :D :D (my personal variant of Fedora 10 currently.)
I have used Ubuntu (and other Debs), Mandrake, Mandriva, SUSE, Knoppix, Slackware, Gentoo, Linspire, Freespire... and some others I can't recall currently...