I was wondering whether I should get a GTX 660 Ti Power Edition or FTW, I originally planned on getting a 670 FTW or Power Edition but I need to upgrade my PSU as well, so I tacked off $100. I'm gonna be playing games like BF3, Crysis 3, and BF4 (when it comes out) at 1920x1080. So which one should I go with? Thanks.