As the title suggest, I am stuck between these two cards. I was thinking of getting the HD 6950 2gb to flashed to the 6970 it but I hear that the performance boost isn't that great and my current monitor is 1600x 900 so the extra 1gb seems worthless in my case. I'm leaning towards the HD 6950 but I might have to buy a bigger case and I hear that this card can get pretty hot. The GTX 560 ti seems to loose some performance but the sound levels and heats levels are lower. Also I would have to buy the HD 6950 on newegg (unlike the rest of my build) because the prices in micro center are too high for this card. So what do you guys think, is the performance boost of the HD 6950 worth the hassle. On a side note what watts would I need to run these cards on sli/xfire? All help is appreciated.