The New York Times' David Pogue took a private photo lesson from professional Tom Bear and came away with some class tips; including how not to miss a shot by 'chimping' out:
Tom suggests being careful to avoid “chimping,” a term I’d never heard before. That’s where you get so excited about looking at the playback of your photos on the camera’s screen that you miss the great shots still available around you. (Why is that “chimping?” Because you’re standing there, looking at your playback like an idiot, going, “Ooh! Ooh! Ooh!”)
Check out the entire article at ‘Chimping’ and Other Photo-Taking Tips.