We haven't picked a service yet, but we'll try to find the one with the most payment options. There's probably some way to work it out.
I had an idea but now it sucks.
Alright, so, let me draw a cheap diagram
Download Centre ---------\ <Buyer
>----Local distrubutor of copies <Buyer
Paypal Payment thing--/ <Buyer
It'd be good for selling physical copies for a BIT I guess. We could do it in a way similar to Linux.
I know, I don't often make sense.