PS 3==
God of War III (plus God of War titles repackaged for the PS3) - truly intense
Red Dead Redemption
Hitman
Twisted Metal
etc name it
I dont know what playable formats the Xbox supports -- but the PS3 support of external hardisks and playback of xvid, divx and mp4 formats is quite an advantage. Video media also playable straight from the internet without undue pluggins
==
Final Verdict is here from a technical point of view (PS3 wins on most fronts):
http://www.ign.com/articles/2010/08/26/xbox-360-vs-playstation-3-the-hardware-throwdown
BR///
Snn