SharePointPedia.com has been launched as an example of a public-facing social computing application. It is built on top of Microsoft Office SharePoint Server (MOSS) 2007. The vision behind it is to enable users on the Web to find and share content about SharePoint and SharePoint related stuff.
If you have a Windows Live ID you can register and submit content, recommendations, leave comments, and vote for the best content.
If you love MOSS then get down to the site...remember the bigger the community the better the content.