So I've been wanting to do something with my video card since I can't max out BF3 with frame rates I like. I was waiting for the 7xxx cards to come out. Now should I buy a used 5870 for probably around $150 and go crossfire with the one I have now or should I buy the new 7970? 5870 -Pros *cheaper *never goes over 65c temps (I hate cards that run hot) -Cons *used 7970 -Pros *single card -Cons *balls more $$$ What would be stronger? a.k.a better frame rates.