Sellfreeusa was thought of by a housewife who didn't like the flaggers, scammers and page overlords that had taken over craigslist and wanted to also offer a much more business friendly site that was also about 20 times more localized by page than the existing sites.
We think she's done one heck of a job. Support Melissa and go visit http://www.sellfreeusa.com/, register for free, post a few ads and help us get the small bugs worked out.
We need all the help we can get.
The Sell Free Staff