I want to be around $100 per person. Nobu seems really tough to reserve, is 57 as good? What about Morimoto, Gari, etc. (I have excluded Yasuda, I don't enjoy it).
Jewel Bako would probably be the most upscale. I just did the Omakase at Shimizu for way under $100 and I was blown away by the quality of the fish. For $100 I would imagine you'd be treated like royalty. I also tried Kirara but wasn't impressed with their omakase. Many like it though. Enjoy your party!
the quality of fish is amazing for only $100 and they do not skimp on food.
you get about three or four small dishes from the kitchen, a huge plate of sashimi (about 4 pieces of toro, two amaebi, 5 chunks of awabi, and about 3 slices each of the day's fish. i've had tai-red snapper, shima-aji that's imported from japan, and a few others) sushi (about 8 nigiris... no rolls) miso soup, then dessert!