On my recent trip to Tokyo I had the chance to dine at Ryugin and Sushi Mizutani on back to back nights - http://www.flyertalk.com/forum/trip-...tg-f-qr-c.html Ryugin was stellar, and Mizutani was good if you spoke Japanese, service was a bit 'off' but that is to be expected by foreigners, I felt a little scared there is a good way to put it