A.D.
Everyone says you need to inverview the pediatrician... some will do this... many won't. My sister did this and even after the interview she left three pediatricians... I think you just have to have an appointment and see how YOU feel about it. I agree that word of mouth is one of the best ways you can find a good one but it all comes down to personalities. :) I have two children... have gone through four pediatricians due to moves/etc and have never interviewed one...even after reading in all the books that you should.
One thing I'd ask my friends about any referrals is: is there a nurse that you can call after hours if you have a question... that was one of THE biggest helps -- some dr offices charge a fee for this -- others dont. That's been a HUGE headache saver for me though.
Good luck and congrats!