I actually don't know much on the guy, but I've seen one of his documentaries which was being presented on a television program where they brought in spiritual leaders of every religion to come and debate the film with him.
Here's a quote from the show,
" as Dawkins categorically dismisses all people of faith (including moderates) as dangerous dupes, you're tempted to ask whether he himself is demonstrating a certainty that borders on fundamentalism – whether his unshakeable faith in science is just as fixed as the beliefs of those he condemns."

http://www.cbc.ca/bigpicture/evil.html

If you look to the right of the site, you'll notice that you can watch a small clip of the documentary and more importantly, watch the debate that came after it.