My father-in-law stayed here and we stayed at the JW Marriott. The rates were the same and in looking at his room versus our room, I would rather stay next door at the Marriott.
There definitely is a lot more to do in this casino - there is a bowling alley, movie theater, and the restaurants are quite a lot less expensive. We had breakfast at Cafe Sienna and thought it was just average. (You get what you pay for.) Brunch Buffet was really good and there was a lot to choose from. (Asian, Mexican, Italian, large dessert station, salad bar, etc.)
Bottom line - This is not a horrible place to stay. The rooms are decent and the staff is nice. You are close to a good sized mall and just a drive away from the Strip.