We do have some of the best Mexican eateries in the country here in K.C. Every time we stopped at a town on our trips out West we found the Mexican place with the best reviews, probably a hundred of them, the closest we found to a great one was in Tucson, the oldest continuously family owned in the U.S., down in the arts district, can't remember the name of it.. I will research that. No Art it wasn't in your district... Art.. get it
Here it is:
http://www.elcharrocafe.com/locations.asp