Absolutely delicious! We went at around 1:30 and it was completely empty. It's not necessarily HARD to find, but you wouldn't be able to see it from the main hotel/strip. It's underground at the MGM, and once you get there it's pretty quiet - a nice little escape from the hustle and bustle.
The food was so good. We got the #3 pizza and 2 drinks. Total was about $20. Not too shabby for Vegas! As I said before: so. good.
We will definitely be returning on our next trip!