It's a new world of professional development - informal, interactive, & personal. Below are some site/communities of interest. Please add other sites that you can see using in your professional development to your del.icio.us

http://openpd.wikispaces.com/
http://eflclassroom.ning.com/
http://webheads.info/
http://www.classroom20.com/
http://edtechtalk.com/