I don't have a 7950 but I too am considering purchasing one, the one that has caught my eye is the XFX 7950 with double dissipation. Find it on NCIX and check out the unboxing video, it's pretty good looking. I also like the looks of the sapphire card. They can both be overclocked quite nicely. http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/51109-xfx-hd-7950-black-edition-double-dissipation-review.htm
I'm sorry if the link doesn't work. I'm on my work computer and our web access is quite restricted so I found this on my phone and manually typed out the link.
I would get this one or none at all lol because you could get a 670 for 400.00 so this seems to be the only good deal on a 7950 IMO but i am picky MSI R7950 Twin Frozr 3GD5/OC Radeon HD 7950 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card http://www.newegg.com/Product/Product.aspx?Item=N82E16814127667#top