I have several favorite Hawaiian food spots in Las Vegas. At each of my favorite hawaiian spot I have a my "regulars."
At Ohana Hawaiian BBQ, I always either get their Kalua Pork & Cabbage (so juicy and tastey), their Chicken Katsu Curry (Currys sauce is hawaiian curry, so dont be quit to assume its a certain way), and their BBQ Mix Plate, which comes with BBQ Chickien, Kalbi and Teri Beef. All three items are my ABSOLUTE fave and you cannot go wrong with any.
I always call ahead for pick up and they're very quick with service.