Suggestions

[dmnd]

Here:
http://golubev.com/gpuest.htm
http://www.gat3way.eu/est.php

Thanks for the links, very helpful!

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Buy 4xhd7990 when available.

I was reading about 7990 before I posted the thread, hopefully they release it in august. With 4 of those, do you have a estimate at how many it can crack per second? I read in another thread on here that 2x7990 is ~35 billion hashes a second? Is that true?