The atheist blogosphere is growing apace, much faster at any rate than Alister McGrath can publish anti-Dawkins tomes. Mojoey has amassed hundreds of such blogs on his Atheist Blogroll, and if you would like to join, click here.
Just to make it worth your while:
The Atheist Tapes parts 1 and 2: Daniel Dennett
UPDATE: Here's a great atheist blog I just discovered today.