We have done some prix fixe here but not at $250. Yet. We've been twice to Bacchanalia which is quite good I think, and is $125 last I checked.
One can hit $125 at "normal pricey restaurants" of course (no alcohol). Around us, a "good meal" out with no alcohol will be $50 per, that's at a nice place that isn't a "one star" or whatever. If you want an expensive appetizer or dessert it'll be more of course. So, add two small appetizers, the main course, and dessert, and you're over $100.