Lots of candidates in this category.

La Fruta Feliz is currently putting out the finest flour tortillas in a brick and mortar location.
3124 Manor Road, Austin, TX 78723-5719 (512) 473-0037‎

Tacos el Rico continues to not only have the finest Mexican food in town but also the most delicious, corn tortillas I've sampled in Austin.
810 Vargas Rd
Austin, TX 78741

Up and comers; La Flor hand pat their tortillas. John T. Edge gave em a mention in his New York Times piece awhile back.
4901 S. 1st St. Austin Texas 78704
512-417-4214

Where are y'all going to get your tortillas in Austin?

If you have a website or blog please provide us with a link so we can visit your site.

We'd love to read about your finds.