@Mattthev are you familiar with doing offsets via bios? I only have about 60 cards right now and only a couple batches of 5 that are the same model... so the tool that is out there for 1.5btc isn't worth it for me.
Ask Wolf0 here, he would do it better than me.
got 31mh/s. thank you.

Very good, I suppose it's not one of Anorak's

What are your clocks and voltages?