Let me see if I have this right... for 1 BTC, you get ~0.09 GH/s?
Doesn't that seem steep?
If that's the case, I'd rather spend 0.07 BTC and own a 0.33 GH/s USB Block Erupter.
You're wrong, the numbers probably confused you.
Last price:
BTC0.0950
That's the price per GH/s.
So 1 BTC would get you ~10 GH/s.