If CC/Paypal was added, you would have a large advantage over competition and questions of legitimacy would probably fall off substantially.

EDIT:  Wanted to edit my post and state clearly that I am very interested in your proof of concept and would in all likelihood will order a few of your 18GH boards for my own modular setup.  All the flame thrown around here is trumped by the fact that you are not accepting BTC, and have established and registered with the state of California.

I am looking forward to seeing your products