Ouch. I'd be downright pissed off if that was the case.

Out of curiosity, have you tried switching to 270? I almost feel like mine ran better at 270 than 290. I will test soon and report back, as well as just leaving it with the default clock.

edit: What does the 37.0C mean? I have 39.

 RKM 0: 39.0C | 32.70/32.59/32.92Gh/s | A:381 R:1+0(.26%) HW:0/none