Originally Posted by Bruennis
Only bad thing about 7970 Lightning is lack of dual-DVI. Read signature reviews. A good clocking 680 'Lightning' is faster than a good clocking 7970. In addition, the vast majority of 680 Lightnings can exceed 1300MHz/1700MHz+ on air and remain cooler on less aggressive fan setting. My Gigabyte 7950 @ 1280MHz/1800MHz beats out a lot of 7970's but would lose to my Lightning @ 1372MHz/1775MHz. I've also had 3 7970s and none of them could reach the clocks in the signature reviews. 680 Lightnings are in a different class.
alright, I don't really understand what a dual dvi is but, I'm thinking of getting the 7970 lightning, but I might also go with a 680 lightning I'm not sure yet