I've been to the Num Pang at Union Square, their sandwiches are delicious. They also have very tasty gazpacho.
mahn, Hudson Warehouse always puts on a terrific show, even if King Lear is not Shakespeare's most entertaining play.
The Soldier's and Sailor's monument is a perfect place for a picnic, so you might want to pick up dinner first and eat it there. And you should stop off at Rita's Italian Ice before or after you go, it's not far from there:
DustPuppy, you are plotting to make me fat.