Movable Type stole my money!

Six Apart's e-commerce system needs work. I paid them $50, got no receipt, and no copy of the software. Here's what happened:

1) I got linked to secure.sixapart.com, selected the $69.95 option, entered my donor key for a $20 discount, entered my billing information, and paid.

2) It then invited me to download a copy of Movable Type, but first I needed to get a TypeKey account. Unfortunately, it refused to register me because it said I entered the wrong number from the graphic. (I tried several times.)

3) I closed the browser window in frustration and later succesfully registered for TypeKey. But now I am not able to get back to the "Download Movable Type" invitation. TypeKey insists I haven't purchased anything. If I try to repurchase, it says my donor key is no longer valid.

Please, someone help! I emailed Mie Kennedy at Six Apart but haven't heard a response yet.

UPDATE: Mie Kennedy responded, and said the engineers are looking into it. Hopefully that means I'll be able to upgrade soon.