Come here regularily for the most fresh and best sashimi. Service can be hit/miss at times, but food quality is the highest. Had a friend that worked in the fish business and sushi couture is one of the few that will order the highest quality fish, with regular deliveries (i.e. always fresh). Freshness is key.
Had 8 course omakase on more than one occasion, I would highly recommend it. 2.5-3 hours of beautiful and tasty sushi, sashimi and japanese eats.