You. Have. Got. To. Read. This: Natalie Angier's speech to the Center for Inquiry, with her take on atheism and raising a godless child.
One piece of advice she had: Live somewhere where you won't be an oddball because of your lack of religion. Big cities, blue states, university towns—hey! What do you know? I've got all three covered. Sweet!
(Thanks to Eric Zorn for linking to the transcript.)