(I think it was Dabz who paid and received nothing) when paying via Paypal.
Yes, it was me... Though, I've put that down as a bad job, if the author isnt good enough to email the product or a link to it, and ignores emails and registration requests on their support (I'll use that term loosely) forums, then they are no bothering with, apart from ripping their so called company apart on the forums across the net.
Yes, I'm talking about empowergames, which have a tool in the toolbox called EasyBuilder3D. If you want to waste money on nothing, find a cliff and chuck your money over the ledge instead of fannying on with that!
They know who bought what.. So in my eyes, theres no excuse apart from being a lazy theiving set of fatherless children.
I have played with paypal sandbox in the past under ASP.NET, and there is a return url option when a payment is made, with a little jiggery pokery, it can be used to display to the user any product information they need, either automating an account setup or otherwise... Which I'm currently tinkering away at the moment.