Escape from New York is no longer the only pizza-by-the-slice getaway in P-Town, yet it still ranks as one of the best. An underwhelming menu leaves room for an overwhelming taste-bud excursion. Load up on a medium pineapple, mushroom, green pepper, onion, and tomato pizza ($13)-a vegetarian's wet dream. You'll lap up the housemade tomato sauce relaxing beneath a thick layer of whole-milk mozzarella cheese. With slice prices as low as $2.25, welcome to an affordable-and authentic-slice of the Big Apple smack-dab in the midst of Northwest 23rd Avenue. (BV)