Another vote for Yachtsman. We ate at both Le Cellier and Yachtsman last week. It was the first time we've done both of these places in the same trip and it sure clarified the difference in quality when they were done just 3 days apart.
Yachtsman has much better food, is quieter, and there were not any small children there which is so much nicer for those parents night out dinners!!!!
I also should point out that JIKO's filet is the best I've ever had. I'm not a filet eater, I prefer a tastier cut like a ribeye, but if you are looking for just a great filet, JIKO is another option for an adult only dinner. And it's a beautiful place.