When I was asked to book dinner for my work team while in town for a conference I panicked and chose a Olives based on reviews. Vegas has so much good food (and in a food scientist so I take a lot of food all day), but I'm telling you now-- you will not be disappointed here! The service was phenomenal. The flavors were powerful and the temperatures and textures were perfect.
The menu isn't too exotic so you can bring picky eaters (they chose the roasted chicken) but it also has options for those who like to try new flavor combos.
We went to a lot of very nice restaurants, but this was by far my favorite this time around. Atmosphere is cozy for a romantic night with your lady, but is also sleek enough for a business group. It's not cheap though so just keep that in mind...