Gamara

While I am not exceptionally knowledgable about Japanese food in the SF area, I have never been let down by Kabuto on Geary near 15th. Terrific sushi, probably the best I've ever had and I've had my share. Sit at the bar, as it makes for a better experience and always call ahead as their hours are flexible :-) Terrific stuff though. I'm drooling just thinking about the place.