Many PayPal accounts end in fireworks.

1. A dispute occurs.
2. Either PayPal sides with the seller or there is no money in the seller's kitty to return to the buyer.
3. Buyer disputes it with his credit card company.
4. Credit card company sides with buyer.
5. Paypal is out the money and closes the account.
6. Various heated emails go back and forth.

Travel tips:
http://www.cockam.com/travel.htm

While eBay transactions are binding, I do not feel compelled to use a form of payment I did not want to use just because another acceptable form of payment mentioned in the listing did not work.