Planetizen, the online commmunity for urban planners and designers, ranked the Open Architecture Network as one of the Top Ten websites for 2007.  Like the OAN, Planetizen is built on the Drupal CMS. 

While browsing through Planetizen I came across a link to AssignmentZero a crowdsourcing journalistic experiment.  The site is also built on Drupal, and they've got an assignment posted to write about Architecture for Humanity, who they describe as "one of numerous organizations practicing open design".   Along with three other writers, I took the assignment, natch.