If you are coming here and going inside to sit down and do a whole lunch dinner thing... you're doing it wrong here.
Inside is "fine" as far as Mexican restaurants go; it's just way overpriced.
You get food that is "Oh, okay. Cool" at "This is outstanding!" prices. Portions are the only equalizer here.
The thing about this spot is the walk up window (check the hours!) The food is much more affordable, reasonable portions, and still fresh and well seasoned Mexican fare. I will regularly come to the Biltmore to grab some $3 Nachos, a Shrimp Po'Boy; sit by the fountain, do some shopping and enjoy the outdoor patio.
DO try Blanco...just do it properly.