It can also take a while before it gets updated

It's against PayPal ToS and you can reverse payment. Best bet is to find someone that offers this kind of service.
Otherwise withdraw your funds from PayPal and buy Bitcoin with the money on your bank.

Price has to be lowered drastically or it won't sell. For a few 100s more you get a high end video card that can do much more than that.

That looks great! It would be more awesome if it get integrated with a credit card terminal or similar.