If you know that you are headed for public interest, I would go to UCLA. There's no reason to end up in 150k+ debt if you won't make a salary that would allow you to pay it back without having a heart attack in the process. If you're in doubt that you want to go into public interest, or if you have enough money to comfortably pay off GULC, I would go there. It would give you more mobility, prestige, and BIGLAW potential. It's all about whether or not you're 100% decided on public interest.
Given your awesome options, I would go to USC for one, lame reason: the beautiful weather. Boston and UMinn are great, don't get me wrong, but as a Jersey girl, spending 3 years in sunny California sounds preferable to cold cities (and in Boston's case, a cold and expensive city). Plus, if you're interested in sports and entertainment law, even if just slightly, California would be a prime location.
Since I'm not in law school yet, I'm completely clueless about the demands of the first week. What I will say, is that I couldn't imagine missing my father's wedding. I would try everything in my power to work with my profs when schedules are distributed.
Why anyone would want to work in the city is beyond me. Granted this is just a personal opinion, but I'm not a huge Manhattan fan. It's ridiculously expensive, and there's so many other cities with better standards of living and nicer weather. For the toll NYC takes on your bank account and stress level, I don't think it's worth the prestige of working in BIGLAW there.
If I were you, I would definitely reapply next cycle. With experience under your belt, and the ability to apply much earlier, I don't think many of these schools would wait list you. You'd have much better admission chances, IMO, and way more time to visit the ones you got into.