I've been to Patsy's three times now... Twice while waiting for Serendipity and a third because I genuinely like it.
The service is slow but once your order is in the food comes promptly, servings are generous, and I have never had to wait for a table. In my mind these qualities make Patsy's a reliable meal choice.
Location: 206 East 60th Street (near 3rd Avenue)
Hours: Sun-Thurs 11:30a-11:00pm, Fri-Sat 11:30a-12:00a