Number six
I think a direct order from bitmaintech may work. Www.bitmaintech.com
Thanks for the suggestion but it requires at least 20 orders of ANTMINER U3 which I can't afford at the moment , but I will have this on mind , thank you

Dare i ask, why go with U3's?
They seem pretty pricy and require tons of wires and other stuff.
Is there a reason you don't want to get a bigger single unit?