ok, I guess I should stick around for a few weeks post sumbission for fingerprinting. Also, It appears that I will have to leave the US after that and return for my interview. I hope that won't piss off the interviewer though.
Thanks boatbod. You've been extremely helpful.
As long as your N-470 is valid during your period overseas, you have nothing to fear or lose. You did the right thing by applying for the N-470.