As part of my own research I have recently come across three new publications which are very relevant to all that we have been discussing here.
Penrod, D. (2007). Using Blogs to Enhamce Literacy. USA: Rowan & Littlefield
Braun, L. (2007). Teens, Technology and Literacy; or why bad grammar isn't always bad grammar. USA: Greenwood Publishing
Richardson, W. (2006) Blogs, Wikis, POdcasts and other powerful Web Tools for Classrooms. USA: Corwin Press