I've been here numerous times with a variety of dining partners/groups. Stack delivers consistently good food and beverage with nice service. The vibe is cool. It's a bit more hipster than the Mirage casino, so don't rule it out entirely on its location. I love the wavy wood thing going on with the ceiling. The music is loud, so it's a good place for amping up for your night out. The ambiance is a bit frenetic if you're looking for a romantic spot.
This is a good place for small plates and sharing.
Things to order: hot rocks (order the hot rocks!), shellfish tier (awesome sauces), steak fries, cucumber martini. They used to have AWESOME kobe beef chili cheese fries but they took that off the menu. Boo!
This is always a safe bet. Sometimes, that's exactly what you need in Vegas.