With close to 20,000 restaurants in the five boroughs I am never at a loss for dining options. Although it feels as though I am constantly trying new places, I still manage to revisit more than a few favorites. A couple, such as David Bouley’s elegant French mecca in Tribeca, Bouley www.davidbouley.com, I save for special occasions. Others I frequent for specific meals, such as a bagel breakfast at Tal’s or the not-to-miss Sunday champagne brunch at Isabella’s www.brguestrestaurants.com. (As an added bonus, while my brunch buddies wait for a table at Isabella’s, I can slip across Columbus Avenue and shop for vintage photos, antique silverware or alpaca sweaters at GreenFlea Market. www.greenfleamarkets.com) When I’m in a rush, I turn to grab-and-go spots like Two Boots Pizza, Chickpea and Artie’s Deli. There I can pick up a slice of vegetable-laden pizza, falafel-filled pita or egg salad-on-rye sandwich and eat as I walk down the street. If time isn’t a factor, I drop by Savoy in SoHo, Carmine’s and Acqua on the Upper West Side and …