There are a plethora of sushi bistros in Las Vegas. To be good you need to stand out. Sadly this place does not.
Quality is average. Service...well they never refilled my water or even asked if I wanted more tea (or if it had gotten stone cold). We had to request extra settings (for a table of 4) twice before they remembered. The presentation is slightly above average, but that's all.
Portion size: typical sushi serving is 2 pieces.
Even the tofu over rice (one of the most inexpensive to make) is only 2 for what you could get a full meal for at other places.
Prices are on the high side.
Non-sushi items. The Korean BBQ is excessively fatty, far beyond what is typical. Taste-wise, Trader Joes is far superior I regret to say.
Also, BEWARE: Happy Hour (discount) pricing DOES NOT APPLY if ANYONE at your table decides on all you can eat. If some in your group want all you can eat and some do not, you are forced to sit at different tables...or you can pay full price. A bit confusing but I'm sure there's a reason for this policy.
Want better? Try Oyshi down the street 1.7 miles or about 5 minutes (7700 block south of the 215).