Looks like 3 months of 24x7 mining to break even with $0.12/kWh.
Looks like 2 months of 24x7 mining to break even with $0/kWh.
Mehhhhhhhhhhhhhh.... and that's assuming a fairly high price of $135/btc.
Litecoin calculations are faring a bit better, but still a tough sell for me right now. We'll see how the plan for free power goes down...