Mujiri in Oakland is kind of a weird operation. They seem to operate primarily on a takeout model, but do have a bar and a few small tables for dining in. The menu is basically sushi-only, with a focus on the set menu combos.
They won’t serve you one piece at a time, but the quality of the ingredients is high, and it gets put together fast enough that the rice isn’t cold when it gets to you.
Toro, Arctic char, Sakura masu, Hamachi, Salmon, Kanpachi, Maguro, Salmon maki with shiso
Maguro, hamachi belly, salmon, ishidai, kinmedai, ikura, inari
A few pieces in the first combo were a tiny bit oversauced. But as I said, the quality of the base ingredients is quite high - both the fish and the rice as probably as good as what I got at Delage.
The nigiri selection is either chef’s choice or choose-your-own - I just asked them to give me everything I hadn’t had yet in the second one. (I think I got a repeat of the maguro instead of uni; possibly they were out? 
) Due to the way they manage their inventory, they won’t substitute the maki, so you’ll have to put up with two of the same.
If you can live with these constraints, I think it’s really hard to do better for $25 ($50 for two, if you find that 7 pieces of sushi + a cut roll is not quite enough food). It’s definitely a damn sight better than Sugarfish, for the same money. Shame about the pacing/format.
