It's definitely a long wait, but if you go during off hours, it's not horrible. You are seated. You order. You eat. You pay at the register in the front.
The mixed garden salad is full of beautiful green leafy herbs and various greens and toasted almonds, and great dressing.
The Reuben sandwich is wonderfully crispy with nice Jewish meat. It's not the same as Katz but it's still a solid hot panini.