SupportBlogging! has been set up to provide an opportunity for students, teachers, administrators, parents, and others to help promote an understanding of the benefits of educational blogging.
Interesting Wiki, well worth a visit. It hopes to balance some of the negativity aimed at social networks. Email list too: http://groups.google.com/group/supportblogging.
I am really beginning find wikispaces.com wikis useful via there RSS feeds. I can watch the changes at scotedublogs without leaving the comfort of my feed reader.