Re: Butterfly 60 GH/s or BitFury 50GH/s?

you don't need both. BFL is mining now with 0.15-0.17 BTC/d - can you see ROI, even partially?

I agree. Plus there is no guarantee that he will be able to run it 24 hours a day, 7 days a week. ROI is quite low at current difficulty rates.