I wouldn't sweat it. I was able to run SC2 on Max with a single HD4870 without any issues. The processor is the focal point.Lol, yes you MUST use the borderline broken skill. There is no reason not to. I really need to get on there and abuse Ultras, lurkers, and ravagers while I still can. Oh!! AND i can bring back the ling infestor play since i can neural parasite colossus and disruptors with ease again due to the range buff.