Errhm the thread on the Warhammer forums, some players that had cancelled were getting multiple billed as well, or say they said. Don't want to worry you but damn go check your bank or credit card statement. I sure hope you've got nothing to find but better to be certain.
I wonder what the charge back fines will total up to in the end.
First thing I did when I saw this thread. Looks like im in the clear