Penn Jillette had some great thoughts on this!

Yes, it's scary how many people would murder their neighbor if they did not believe in god.

I have actually met a couple of people that do good only for a reward in the afterlife.

Morality is either A) absolute, or B) subjective. For the religious its absolute, for anyomne else its subjective. I like the idea that what we consider as moral should be subject to questioning, rational thinking and scrutiny. If things like Homosexuality being wrong, or that people should be stoned to death for cheating on their spouses are absolute moralities, then I do not want absolute morality. Answer= Non believers that care about morality are almost certainly more moral