JesusNeverExisted.com is also a fun and interesting resource, with many articles, podcasts and videos on the subject. It's how I cut my teeth in the world of internet atheism and I haven't looked back since (mainly 'cos it's too painful, what with these cut teeth and all).
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'