If XIII stays exclusive to PS3, then square is going to lose a few bucks, unless Sony does something that makes PS3 worth the buy, oh and about that $100 price drop on the 60GB, get out there and buy one while you can, because Sony is discontinuing that one soon too.
E3: No more 60GB PlayStation 3 in US after July, says Reeves // GamesIndustry.biz
Oh well, doesn't really worry me as I've yet to play XII.