Why not get a 6950 used if you can find it? 420 ish hash rate and it's cheap. Or 2x 7950 that will do 1.2+ Gh/s. @ 160watt pr. card.
If you dont pay for power, get the most hashrates you can. A 7950 will also be much more easy to sell again in the future, at a reasonable price point.
If you dont pay for power, get the most hashrates you can. A 7950 will also be much more easy to sell again in the future, at a reasonable price point.
Greate idea
just ordered a new system --> 4 x Radeon HD 7950 OChttps://bitcointalk.org/index.php?topic=169841.msg1765919#msg1765919