STYLETHREAD -- LET'S TALK SHOP!

Hmmm...well, he is responding and it sounds like he has every intent of paying.  I've heard it can be a major hassle if paypal locks you account.

I would respond and firmly give his a specific dealine.  Like, "If I do not receive your payment by X, I will be relisting the item."  Also, point out that you have already given him way more time than the terms of your sale.