Hash Rate going to 2bn GH/s!

[bitcoinliberty]

Lets calculate the hash rate at the marginal rate of electricity;

 0.10    $/kWatthour
 800.00    Bitcoin price
 150.00    Bitcoins per hour (using 25 per 10 mins target)
 120,000.00    $ Payout per hour
 1,200,000,000.00    Watt (price times payout)
 0.70    Watts/GH/s (here I used the Neptune 20nm miner)
 1,714,285,714    Giga Hash/s (Watt/0.7)

This is where I think we will eventually end up should the price stay at this level.