At the recently concluded Drupalcamp in Cologne in January, 2009, I organized a workshop about building a community site with Drupal. It was a lively workshop with lots of questions and suggestions. I didn't get through as many features as I wanted to cover, so I have put the workshop online at http://dropper.anolim.com for those of you who are interested to follow it and continue the workshop online.

After registering yourself you should be able to activate and configure a whole bunch of community modules and try them out on the site. I look forward to continuing the lively exchange with you online.