Really great burrito shop called evil pete's or sneaky pete's or something like that.
Illegal Pete's. It's like Chipotle with a few more options.
Cherry Cricket is south of downtown. Known for burgers.
Bistro Vendome. LoDo French place. Finer diningish for dinner, but brunch is solid on Sundays.
Euclid Hall. Upscale Sausage/Brats. Also have weird stuff like bone marrow, etc.
Machete Tacos. Street tacos of all types.
Linger. Old mortuary turned good tapas restaurant. Good drinks/rooftop.