Video Card

Computer Hardware
i5 2550k 1155
8 gigs ram
windows 7 ultimate
750w PSU
1T hdd

I am looking for a decent gaming video card, i have 1080 HD monitor and want to get the juice out of it. I am currently looking at video card http://www.bestbuy.com/site/XFX+-+Radeon+HD+6750+1GB+DD... which is Xfx radeon HD 6750, is it going to run smooth like in great settings? Which card you guys recommend. My budget is $120
Games im planning to play: Diablo 3, Sc2, CS:Source, World of warcraft.