Solid pizza joint in the Miracle Mile shops (near Planet Hollywood and Hilton Elara). I've eaten there 3 separate times when in Vegas.
Friendly employees.
The pizza is a thin pizza, not a thick pan pizza. The strombolis are great. You can get free refills on your soda but you have to ask because it's behind the counter.
The prices are steep, but that's to be expected for the location. $37 for a large pizza to go.