I was looking to buy a second 7950 for my PC but when I went to go buy the second card I found that it has been discontinued. It was a XFX 7950 double D Black edition and I just cannot find another one online. My question is can I just buy a regular 7950 DD or will that negate my performance increase from the Black edition. I know they are binned differently but is that anything to worry about? NE does have the black edition that is not a DD with one fan in the middle, is this OK? Lastly if there are no issues with using slightly different cards can I get a 7970 DD black edition, and what sort of issues would come from that?