While Cafe Moda isn't as popular as it used to be a couple years ago, it's still pretty full on the weekends. The crowd is a on the older side and there are often parties set up there. You can eat and drink first and then either karaoke or dance to whoever's singing. The dance floor is a decent size and the dinner tables can be large enough for a good-sized group.
The restaurant/bar is located right at the Spring Mountain/Jones intersection across from the 168 grocery market. There's plenty of parking available in the strip mall. Since Moda isn't too far down Spring Mountain, oftentimes I'll just head down there after a night on the strip to get some sig sig and beer before heading home.