Don't buy from him. See the feedback I left him.
Why did you choose to trust him with all that money? go to scam Accusations and open a scam so that DT users can tag him with a red mark so everyone will avoid trading with him
Am already looking into this, but will need email / skype / icq / etc details of the
OP - PokerPro there's nothing in any of his posts to tie him to an Alt.
Please go to the so named Scam Accusation thread page
https://bitcointalk.org/index.php?board=83.0 and give as much details as you can (on both users you've accused).