Seriously, if you have an option, get the PlayStation 3 version. I mean look at this: http://i39.:bou::bou::bou::bou::bou::bou::bou::bou::bou::bou::bou::bou:/xen0xw.jpg

That's from Eurogamer's Digital Foundry - a legit comparison site.

If you absolutely can't, I'd understand going with the Xbox 360. Although, then you would be missing out on God of War III, as well. ;-)