I agree with all the posts above. I'll play devil's advocate a little though and warn you that different airframes have different lifestyles and people like Luvin'Life had the opportunity to luck out in this life. I do not question his commitment but I dare submit that until he has been in the situation where he/she has the grades for the jet and timing gets the best of the situation and you end up in an E-2/AWAC/J-STARS/whatever going "where did my life take a turn?", he/she has no more leverage than me, looking on the outside of the fence, to argue that people should be happy with what they get.
I commend him for being straightforward and honest about that same fact, that shows good character, most pointy nose drivers tend to eat sh!t and talk all day about how their hot hands got them the Hornet/Eagle/Viper/Hog/Talon/Buckeye etc etc. And the fact of the matter is, that contention is far from the truth.
More people than they care to admit punch holes in the wall when they get home because they got screwed out of a particular assignment, or like Luvin' pointed out, the slots weren't there to be given out. So I would warn you against going active in Navy, Air Force and USMC if you are unsure of your flexibility of assignment. I too, suggest you check out baseops.net regarding this question, those folks go for months on the "WTF didn't I get a T-38?!?" thread.
As it relates to your hesitation about avioding a helo, go Air Force. Navy and Marines are, statistically, rotorwing dominated when compared to the Air Force, so narrowing it down to Air Force would be wise at that juncture. Other than that, life is a gamble, most people recognize it's a huge break to catch a military flying slot these days and most deal with what they get, but others do struggle with their fates and for no fault of their own. So consider yourself warned.
Good luck in your decision, also try out the Air Force Reserves and Air National Guard side of the house, their benefit is guaranteed airframe, which simplifies the contention, but of course it ain't that easy of a solution, you have a better chance of catching bronze in olympic synchronized swimming than getting a freggin' Guard slot these days.