Just to confirm there were no improvements to the mining speeds for 10xx series Nvidia cards?
No.
I understand that you are aiming for best efficiency , but why not release a "full throttle" version that matches EWBF, for people that do not care about electricity costs?
i don't think that would work out well... i run my cards for efficiency with EWBF version and still do better than the current excavator so making a full throttle version that is suppose to compete for a version that runs more efficiently would be counter productive... imho. I'd rather wait for a version that is competitive against EWBF.