Working great on my 3570k, it's a bit faster that claymore's, few percents (263-->275), and what is best, it has lower fee
if you want to, default is 4% I think, I'm mining at 2% atm.
More links on his official twitter
https://twitter.com/yvg1900can you share your config, i have a 3570k and it dont seem to go higher then 164 at 3 threads... thats on win 7. are you useing linux or windows?
and how do you even adjust the donation amounts......