you're in the hunt with all the programs you've listed. unless you write a series of seriously douche-y essays, it would be difficult to deny you. more specifically:
+ unique, but exceptional, work experience (candds from the Fed were not common, but obviously has a ton of cred, and doing it now [in a world of financial collapse] seems like there's even more interesting anecdotes to be had
+ strong GPA from a good program and quant skills
+ strong GMAT (it all ties together)
+ in-line career goals. most of the time, i don't like candds saying they want to consult post-graduation, but in your case it'll tie together nicely
+ good ECs. very unique. again, a plus.
+ likely to obtain solid letters of reco
- you're young. this is a cointoss in your particular case, and i actually think this will help you at H and S
- not much team work .... can be overcome w/solid essays tho
- likely to have not much experience with leadership
- risk of being assessed as a bureaucrat, so making sure you cite tangible, impactful work experiences will be important
IMO, your background is right down the fairway, and you should def be applying to the top tier, unless there's smthg unmentioned in your background.
hope that's helpful,
Former Kellogg adcom member, offering a new approach to MBA Admissions Consulting.