I only go to this (or any other buffet) when I get half off. Then again, I'm looking for work right now so I'm kind of cheap!
Anyway, for a buffet at it's price range I think it's pretty good, though Red Rock's is better (but costs a bit more). The salad bar offerings have always looked and tasted pretty fresh. Most of the other buffet items range from pretty good to pretty unexciting. I rarely eat dessert but the gelato and cobbler was good. I'm not sure about the cake - I'm not a cake guy...
Not great food, but that shouldn't be expected for the price, but the options allow for a much more nutritious varied meal than the food court, and/or certainly more quantity if you're in the mood for that!