We gave 808 a 1-star from our first visit (bad fish, bad service, bad cleanliness) but we've been seeing all the great reviews which made us think maybe we should give it another shot - now about a year later. Although it was a much improved experience from the first time it still missed the mark for anything more than 3-stars.
The sushi was just average (small portions and so-so quality) with very little menu variation (everything is a derivative of spicy-*insert fish name here*).
The service was notably improved over a year ago but still mediocre even with regular check-ups from the assistant manager. Misses included: having to ask for set ups and soy ramekins, being served luke warm hot green tea (both rounds) and a waitress that keep disappearing for longer periods than comfortable.
Given the large number of places in Las Vegas to dine sushi with both better service and better fish - we'll be keeping 808 Sushi on the shelf.