PEXON
SleevingMaster
WOW!!!! Power draw and heat to performance of these cards is unreal. The benchmarks are very, very solid too. Prices are looking at around £270 and they will drop when Kepler drops; these look like fantastic cards, with nigh on GTX 580 performance for £100 (if not more soon enough), less.
http://www.bit-tech.net/hardware/2012/03/05/amd-radeon-hd-7870-2gb-review/8
http://www.bit-tech.net/hardware/2012/03/05/amd-radeon-hd-7870-2gb-review/8