I'm ending a 3-week European vacation tomorrow with one last night in Paris. My girlfriend and I spent the first 5 days of our trip in Paris and sampled a lot of great brasseries, boulangeries, and patisseries (one of my favs being Le Brebant). Now I want to end my trip with something especially scrumptious to really cap a wonderful time. Any ideas for a not-to-miss restaurant? I was originally thinking about L'Atelier du Robuchon but heard some fairly unimpressive reviews.
I'm willing to spend a lot if it's worth it, but my sole restriction is that it needs to be a place where casual/smart casual is okay. I have nice pants and a nice shirt but no fancy shoes or jackets with me.