I tried calling today 7/27/06, but no answer, maybe I'll try in the evening.
6476 Washington Street
Yountville CA 94599
www.adhocrestaurant.com (doesn't work)
Comfort Food - $45 prix fixe
from a website I found this: "Yet another Thomas Keller restaurant (French Laundry, Bouchon) that will be open in July through the winter of 2006 (since its existence is fleeting, Keller tentatively considered calling it "Brigadoon", after the Broadway musical's Scottish village that appeared briefly once every 100 years.)
Four-course (includes salad course, protein with vegetables, cheese course and dessert) prix fixe menu that changes daily. It's on the site of the former Wine Garden and the legendary, and sadly departed, Diner. Open 5 pm - 9:30 pm, closed Tuesdays and Wednesdays. Corkage $10. No reservations. Call for the day's menu.
After that, Keller has stated that he will open a hamburger joint called Burgers and Bottles, inspired by one of his favorite places, In-n-Out Burger."