Can't name just one.
High-end dinner: Lola, York Street, and the Mansion on Turtle Creek for the classic Dallas experience that will soon be gone with the departure of Dean Fearing.
Almost high-end dinner: Local, Standard
Barbeque: ribs at Baby Back Shack.
Mex-Mex: Cafe San Miguel, Vera Cruz, Nuevo Leon
Tex-Mex: Avila's, Cuquita's, Manny's
New Southern: Hector's, Hattie's
Sandwich: anything at Jimmy's