The maths just doesn't add up, the ROI on this unit is just not worth it.
Why not just buy 5 ANT Miners?
5 x 180GH/s = 900GH/s - That's without over clocking.
Because UK scam electricity is now 15p kWh.
5x 360W = 1800W
1.8kWh x 15p x 24hr x 90days = £583.20 on top of every normal electric bill you pay.
And there's no easy way to cash in your Bitcoins to pay your electric bill because the banks block the bank accounts of anyone who tries to setup an exchange.