GMAT is on the low side. You know that. It won't be fatal, but it will be a handicap.
Stretch: Wharton, Columbia (since you'd be applying Regular Decision)
Slight stretch: Kellogg, Booth
Sweet spot: Cornell, Darden
For NYU, you should have a reasonable shot given that you have a lot of family there (especially immediate family members which is what matters most to schools: parents and siblings).
Follow me on Facebook