Quote Originally Posted by Welsper59 View Post
They'll all perform well with this game. You technically have 2 options for "bang for buck" sort of outlook. The 760 will give you the cheaper option for your current PC. The 680 will be the most beneficial/cheaper option if you're looking to upgrade though. Your Phenom II might bottleneck the potential in the 680, which is why I said the 760 is probably better option for your current setup.
The GTX 680 and 760 will both reasonably bottleneck with that processor the 660 would be your best bang for buck until you can afford to upgrade your PC.