Good Japanese in the Financial District??
I'm on Market right between 1st and 2nd St., and I can't seem to find a good Japanese place! HELP!!!!!
I work down in the same area, and have been looking for the past year and a half. I would agree with David's comments, and add that my favorite these days is Delica in the Ferry Building. It is very clean/healthy, yet tastes quite authentic (I lived in Tokyo for a couple of years and ate a LOT of Japanese food there ;-)
I'd recommend their various bento boxes, the curries, and the noodles, in roughly that order. The tonkatsu is decent, and all of it is uniformly high quality.
Ozumo is a nice business lunch sort of place, but more expensive, and often too noisy for me.