sry, didnt read last 30 pages of thread, but..
anyone still on keccak mining?
seems that last WHQL driver 334.89 almost destroyed remains of performance on mine gtx 550ti
at -l F1536x16 -L 256 earlier it was about 39MHash, and now on same settings, same pool (tried different pools btw) it gives just about 16 MHash
:sadtrombone.wav: