There is a group of community supporters inside Microsoft who are building community around the the TechNet wiki. Inside Microsoft, the employees working on this are called TechNet Ninjas. They have a blog. One of the most prolific* of the Ninjas, Ed Price, sat down with me recently for a chat.
Here is the short (~5 min) video.
You can also follow the Ninjas on twitter: https://twitter.com/#!/WikiNinjas
*Ed’s profile page allows you to see all his activity, and marvel thereat