I ordered a shrimp burro - they grilled the shrimp, filled it with lots of stuff, and smothered it with a delicious sour-cream type of sauce.
The all-you-can-eat chips and salsa are good. No problem with doing your own refilling, that way you don't waste. We loved mixing their hot and mild salsa together, and just having a container of each.
(we ate in, but I see that they do a pretty good "take-out" business as well) They're close to a water store, so if you need to refill your 5-gallon bottles...