I won't gush about the food or service -- if you're willing to pay the beau-coup bucks to go to Ruth's, you know the food is going to be above-average. The gripe I have with our last visit is the 30 minutes we waited for our table during the holiday. For our party of 7 we made sure to have the reservation set long in advance and so we were unhappy to wait uncomfortably in the bar area for the previous party to clear out and our table to be set. It isn't unreasonable to expect some sort of apology (read: freebie) when a large party comes in and has to stand in a cramped area for half an hour, but no such accommodation was made.
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tl;dr Good food, good service, poor reservation management from hostesses and uncomfortable waiting area.