After getting this card rolling in stock configuration, it is able to earn around 50k credits/day from PrimeGrid Sieving with this 2.8 Ghz dual-core on 230 watts of power ($0.33/day) which I've invested about $250 in parts.

I'd rather be crunchin' computational biology type work, but until more projects get ported to OpenCL (which is supported by *_BOTH_* Nvidia and AMD) this will have to do...