I'm a new user, hopefully I won't break any rules with this post.
So, will be in Tokyo next week from Thursday to Saturday.
A week in advance has been able to secure me these two places thus far: Friday lunch at Daisan Harumi (it closes at 1:30pm so going at noon). Cancellation policy is same day or JPY 10k penalty.
I've also gotten Sushi Mizutani but it was only on Thursday at 17:00pm (cancellation 24hrs in advance or JPY 10k) so i think I'm going to regretfully pass that one and try to allocate the splurge to Ryugin on Friday (pending reservation).
Details and reviews will of course follow, inputs appreciated of course.
I would like to sneak in at least one of the 'non vanilla' ramens posted by SilverJay (was thinking this: http://chowhound.chow.com/topics/3477... still have memories of randomly going into a random resto near Dean & Deluca (coming from Daikanyama in 2008) and having one of the best dipping ramen with spectacular char shu.