Just wanted to leave a review for this miner. I currently have 20 nvidia 1070's core clocked to +150 core / -500 mem 60% Power Limit. I too am seeing +15% earnings compared to the dj mod and much more compared to the regular cc miner. Reported hash rate from the miner are very close to what the pool reports unlike the other miners. Below are some screen shots of the miner and pool hash. I did have a 7 card rig go down for 2 hours or so, which was due to stability testing at +175 core.
http://prntscr.com/h547dchttp://prntscr.com/h547gd