LAPTOP PAID FOR BUT NOT RECEIVED : eBay Guides

I RECEIVED A CHANCE TO BUY A LAPTOP THAT I HAD LOST IN THE AUCTION.THE SELLER(DRAGON-STORE-2006) HAD A 100% FEEDBACK I EMAILED HIM  AGREED A PRICE AND WENT AHEAD A PAID VIA PAYPAL.THIS WAS 11/04/06 TO THIS DATE I HAVE NOT RECEIVED THE LAPTOP.DID YOU KNOW THAT IF THE SELLER HAS REMOVED THE MONIES FROM THEIR ACCOUNT THE PAYPAL £500 PROTECTION ISN,T WORTH THE PAPER IT IS PRINTED ON. THEY FIND ON YOUR BEHALF BUT THAT,S IT YOUR LOSS.THEY HAVE BEEN UNRESPONSIVE BECAUSE THEY HAVE LOST NOTHING . THE AMOUNT WAS £350.AS REGARDS THE FEEDBACK OF THE SELLER IT WAS 100% BUT WITHIN A FEW DAYS THERE WAS 9 NEGATIVE FEEDBACKS ABOUT THIS SELLER