Agnosticism is not some in-between point midway between theism and atheism. Agnosticism is not "atheism lite." Agnosticism and atheism aren't a matter of "either-or." Here's a helpful chart being helpful:
I've written about this before, but I wanted to make sure everyone is clear on this in light of comments posted about agnosticism in response to my previous blog entry. I'd say more, but Tristan beat me to it, so the best suggestion I can give is for you to go read his article. Go on. Enlightenment awaits.