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Must admit Catch, if I build USN/USMC, it is more likely to be a Phantom. I wouldn't mind a go at an FAA Corsair though. Revell also do a 1/32nd Martlet (F4F in FAA service) which looks quite fun.
I don't think I really have a 'favourite' a/c type or family that I would build a lot of, if I was to do a 'theme' it would probably be FAA... or Coastal Command if I wanted something really obscure!
Speaking of which, Academy do a 1/72nd Coastal Command B-17E... oh to win the lottery and retire tomorrow!!!!