wow, nice strategy. I'm on slush with quite constant 60 GH/s with 3 BF-H-cards. I get around 0.5 BTC daily at the moment. I see there is space for improvement, thank you 
What the shit!? How you getting .5 a day? I'm on Slush as well with 60GH/s and only get .23 a day...
Using stratum?