Avalon......
what if I send you X BTC and you don't receive your kit until, say, another one month, but others get their Avalons. The difficulty is going to sky rocket, IMHO.
I think this is a bit over-priced as there is a risk of zero return.
a user submitet me a good fix for this, when i wont recive the unit in time, i just lower the Price and payback the difference to all shareholders.