I've enjoyed every trip I've made to Patsy's, but I can see why others might be put off. Yes, it's crowded and yes the service can be ""not so nice"" at all times. This is NY, it happens. If you can't tolerate slow service at a pizza place, then spend more money elsewhere. Patsy's has great salads - I prefer the arugula salad. Their prosciutto pizza is my personal favorite ($2 for each topping). Expect a crowd while waiting, but they seat quickly.
Pros: Salads, Pizza
Cons: Inconsistent Service, Waits