I checked out a craig schmidt on the social cigar site....all his forum posts are since sept 21, 09...i could be wrong but he seems to be new there as well, people have been writing on his wall wondering if he received the cigars they sent and that they are looking forward to receiving theirs. He has a bunch of pictures of cigars in his photo album. All his forum responses are about trading.
For me its simple, a guy doen'ty know me from adam and pm's me to trade and then never responds after that. He is obviously active elsewhere and has the time to be curteous, but chooses not too....bad sign in my book...I have never experienced anyone here who does not respond to PM's, especially if they are the one to initiate it.