Drupal Update
AIC go Drupal
http://www.artic.edu/aic/
“…Enable users to create and manage their own ‘groups’. Each group can have subscribers, and maintains a group home page where subscribers communicate amongst themselves. They do so by posting the usual node types: blog, story, page, etc. A block is shown on the group home page which facilitates these posts. The block also provides summary information about the group…”
Views 2, CCK 2, and Organic Groups Release Candidates now available for Drupal 6!