The Chainsmokers were great!
The doors open around 12 but they didn't come out until 3... a bit of a long wait in the sun, but time goes by fast when the music is great and you're having a fun time dancing!
Yes, drink prices are outrageous and they are way too sweet, but you're in Vegas... so it can't be helped.
Bathroom lines go pretty quickly, floors are gross so wear slippers going in.