you wont have any time for any of that, your wife will be shopping :D
i always spend most of my time in brooklyn but,
cuban sandwich from Havana club. corner of elizabeth and prince, soho.
smoke house bbq from rub, west 23rd street, chelsea.
more bbq from hill country, west 26th street, just off broadway.
tacos from ? southern end of lafayette.
steak from peter lugers, 178 Broadway, Brooklyn, just over the williamsburg bridge.
the best burger in nyc from shake shack, madison square park.
i hope your not vegetarian…
for other spots to eat, check out http://newyork.seriouseats.com/