I saw a concert here on January 2nd (Morrissey) and had a great experience. Venue staff initially seemed a bit disorganized, and unsure of how to handle the volume of fans queuing for the concert. However, everyone I dealt with was very polite, professional, and helpful. Ultimately, entering the venue was very organized and efficient. Security guards were also really nice.
The venue itself is nicely laid out. Good setup with large floor and multiple balcony levels where people can sit or stand. Good acoustics. Surprisingly large barrier, allowing at least 50 people front row. $14 for top shelf tequila soda. Free wifi! The concert itself was amazing, and far exceeded my expectations for a venue inside of a casino.