You cannot beat the view here. It. Is. Amazing.
I came here around 3am on a weekday with a sizable group. The place was deserted, which was really ideal. We moseyed up to the bar and were eligible for their 2-for-1 happy hour special. Cocktails are $15 a pop so it's a really good deal. But the catch is that the 2-for-1 can't be shared: you as an individual have to drink both drinks yourself (or at least order both and take them away with you, and you will be given the two at the same time). So since it was late I opted for a beer, which ran me $8. The drink special is definitely the way to go if you're coming here and haven't done too much pre-gaming.
The downside to this establishment is that it's at the far end of the strip, and there isn't much nearby. Plus it's pretty seedy late at night/in the wee morning hours. If you're staying nearby this place is a must visit, or it'd also be a good place to start your evening (they have an early happy hour as well).