Could i just go with this?: http://www.ebay.com/itm/RED-FURY-Bitfury-USB-ASIC-2-6-Gh-s-More-than-7x-the-hashing-of-Block-Erupter-/121205085106?pt=LH_DefaultDomain_0&hash=item1c3862d3b2

Instead of buying the Bitfury Boards?

Sorry like I said I am very new to all of this stuff.