Here is a link to an article on 1UP.com comparing the GFX of the games that are on both the 360 and PS3 consoles, I know the elements that can go into graffics but thought i would post this just to see what others opinons are and if its worth the extra $200 bucks.
http://www.1up.com/do/feature?pager....=0&cId=3155393