I would say scam. Speaking of scam read this!!! I was searching some ebay scam stories and found a prank that was played on one of these scammers. This link is the story, its great!
cordell
http://www.zug.com/pranks/powerbook/
The only frustrating part is realizing how much cheaper stuff is down south when using a Craigslist companion tool that shows you all the states listings combined. The scamers are obvious. Nobody gives you something for nothing.