Unlocked my Batch 3 about 10 days ago.
Running steady at 700Mhz
Depending on the pool difficulty it ranges between 14.5k (high diff) and 17k (low diff)
Ran at 750Mhz for a full day, but the speed was noticeably lower (12-13ksol/s)
http://i65.tinypic.com/23ubgo1.jpg