Received following message from PayPal today:
On Oct. 12, 2008, you sent a payment to firstname.lastname@example.org
for $20.00 USD.
The funds have been returned to your account.
This payment was returned for the following reason(s):email@example.com
did not sign up for a PayPal account or did not complete the registration process.
Please contact firstname.lastname@example.org
to arrange an alternate payment method.
If you have any further questions, please log in to your PayPal account and go to the History subtab. Locate this transaction and click the word "Cancelled" in the Details column.