We've been here on a few occasions and haven't been thoroughly impressed. They are always packed and always on a wait- even midweek early in the evening.
The first time we went we didn't want to wait an hour for our deep dish to cook, so we opted for thin crust. It was decent. Last night we ordered takeout and got the deep dish. We ordered at 4 PM and it wasn't ready until 5 PM. After digging in, we didn't know what the buzz was about. The crust was thick like a deep dish, and the toppings sparse like a thin crust. There was hardly any sauce. That's not what we know as a deep dish and I definitely can't see why it would take a hour to cook. We've had deep dish in Chicago and it was 100 times better and took 15-20 minutes to cook.
I do love the Oregano's Favorite salad and the pizza cookie, but everything else- from the wait time to the pizza- are not worth going.