I've got the faster Mac Mini with 512MB and that can't play H.264 high def clips without dropping frames and skipping, not even the 720P ones. The Apple QuickTime site says that only G5 Macs can play HD.
Then again, QuickTime 7 (H2.64) can't do it on my AMD64 4000+ either.
StooMonster
__________________ Status: Finished work until second week of January, hurrah!