Scam Alert..
I've scammed... only for $50..
Do us a favor and make a thread about this in Scam Accusations--and provide all the evidence you have that you got scammed. Just writing that you got scammed doesn't really mean anything.
You sent him PayPal? You do realize you can do a chargeback, correct?
Good luck finding an escrow that is willing to deal with PayPal exchanges.
As a practical matter, escrow is useless for PayPal deals. I haven't heard of a single person yet having escrow hold on to funds for the length of the potential chargeback period. Either you trust the counterparty or you don't.