We end up here quite often when we're in Brighton. It is a lovely restaurant hidden away in a square behind the Thistle Hotel, with both outdoor and indoor seating and conveyor and ordered food. The menu changes quite regularly (as does the staff), but the quality remains the same. Expect the service to be patchy, but you can always stock up on some salmon nigiri
during the wait. It is the best sushi in the UK (so far).
The pricing is a guide, nothing more. It can be cheap if you stick with the conveyor or get quite expensive if you order from the menu. This visit was our reason for coming to town, so we would have been in the $30 to $40 per person bracket - bear that in mind.