We've seen an onslaught of new Mexican restaurants lately, from El Chucho to Tacos Al Chilango. Are the newcomers killing the competition, or do you turn to more established places like Oyamel and Taqueria Poblano for your taco fix? This week's Open Thread will lets you weigh in on your favorite places for folded tortillas, and we'll map the top choices next week. So the question is, Which Restaurant Makes The Best Tacos In DC? Let us know in the comments, Twitter or the always-open tipline.