Quote Originally Posted by Mayhem View Post
Actually there's an easier way to find out who won. Just search by bidder with completed auctions ON and list if not winner ON against someone you knew who bid on the auction, and the full username of the winner is displayed unless the auction was private.
Or for an even easier way you could wait until they leave feedback. Unless the seller has their's set to private(or the person just doesn't leave it) you can still see all the feedback comments left. It might take a few days or weeks, but eventually you'll have your answer.