wheel - 3:43 pm on Sep 13, 2011 (gmt 0)
Make sure you open a paypal dispute prior to their deadline for opening a dispute. You've got an email from them saying the charge is valid. The one time I had a paypal dispute, having an email like this turned the tables and I got my money.
My initial emails with the guy were over a phone I'd returned. He kept delaying me, hoping to get past the paypal date to file a dispute. After the dispute was opened, he played a lot of shenanigans, and paypal was siding with him - until I produced an email from him showing he had my money and my phone. I got my money back immediately.