I've heard good things about Douzo and Umai. For the budget minded, there's a relatively cheap place called Irashai across the street from my school in
660 Curries by Raghavan Iyer
Everyone should have a Carter nakiri.
Im not a sushi guy but Im a big fan of this place called Petite Robert Bistro. I think there are two of them right now it can vary. You will also be right
Looking for a 240 or 270 and though I don't believe it is the easiest knife to score used, figure it's worth a shot. I'm good with one that's been beaten