You don't need to do anything else. eBay Customer Support has refunded you through PayPal and the case is closed. Jun 09, 2011 at 10:27 AM
Refund information: We issued you a $XXX.XX refund to the PayPal account that you used to purchase this item. Please log in to PayPal and view the History page if you don't see it in your PayPal balance.
Final decision: This case has been decided in your favor.
eBay Customer Support comments: Our records show the seller didn't respond to the case. We're sorry you had a problem with your purchase, and we're issuing you a refund for this case.