The Online Journalism Review is taking notice of blogging and some of the other implications of changing technology. Here are three articles
Participatory Journalism http://www.ojr.org/ojr/workplace/1060218311.php
Personal Broadcasting http://www.ojr.org/ojr/workplace/1060223904.php
When Bloggers Commit Journalism http://www.ojr.org/ojr/lasica/1032910520.php