A site dedicated to the Dental Community using ClassiPress
We use ClassiPress for our site, Dentalads.net which is focused on the dental community. It allows them to make any number of listings and people really seem to like it.
http://dentalads.net
All of the advertising modules use OIOPublisher:
http://www.oiopublisher.com/ref.php?u=6913
This allows us to offer any number of ad sales for the site. The combination of Classipress and OIOPublisher can't be beat.