This is my go-to for Tex-Mex. No, it's not authentic Mexican, but I don't think it pretends to be.
I appreciate the VARIETY of vegetarian/vegan options and the SEASONAL features. (Protein options for meat-eaters and veg alike, so everyone can find something they like.) The fall vegetable mix (roasted Brussel sprouts, cauliflower, and butternut squash) can be added to most things - salads, burritos, etc. And the butternut squash soup is fantastic. In the spring, they did something with asparagus and snow peas. Portion sizes are huge. The pick-a-dippa appetizer combo is great if you want to try the different heat levels of salsa; the guac is subtle, cooling, so I like it as a balance to the pineapple-habanero salsa, my favorite for clearing the sinuses.
I've found the service to be good 90% of the time. There's always that odd time when you'll get a new server - usually at the beginning of the summer when the college students first start. But year-round, the bar service is friendly and on point. I'm not a big marg drinker, so I can't comment on the subtleties of the margarita options. But the beer menu is large.