new version of ccminer with improved m7 (binaries, source a bit later today or tomorrow... as I need to figure out what I changed... and a few things I want to check)
hashrate for 750ti (+135/150): 5.5MH (+500kh)
                 780ti (OC)         :13.5MH (~1MH)
                  660                  : 4.2MH (+200kh)
also added average hashrate (thanks to cayars...)

http://ge.tt/5zWHHvs1/v/0