One of my biggest disappointments of moving from Phoenix to Southern New Mexico is the absence of good pizza. Every time that I can when I come back to town I go to Nello's, it helps that I have friends in the immediate area and stores that I frequent.
For me, I tend towards having one or two favorite dishes per restaurant, when I go to Nello's, it's deep dish pizza and it's always a classic pepperoni or their Murphy, a bacon and onion pizza. I have been known to get a large of both to ensure that I'll have leftovers to give me lunch for a couple of days. Their appetizers don't do much for me, my wife likes the eggplant bruschetta but I'm kind of ambivalent about it, mainly because I know what's coming and I don't often get appetizers when I'm out for dinner.
I have been to other Nello's locations and have never noticed a significant difference in food. I frequent the Southern & McClintock location for convenience, and it's also our normal destination after going to the Arizona Renaissance Festival.
Very good stuff, reasonably priced IMO. I just wish I could bribe them to open a location closer than 500 miles from my house.