Sapphire 570 4GB Mini Elpida - strap 1750 - 1110/2040/-96mvgpu/30+target = 26,3-26,4 @ 164w on the wall = 169 USD newegg very nice
Your doing something wrong, I have this card at 29.5 MH @ 130 watts. Definitely the best bang for buck for the current 500 series line.