Via Delosantos is one of the few places in Phoenix that a vegetarian can get a good Mexican meal. Neither the beans or rice are cooked in lard, which is hard to find in this town. The chips and salsa are premium, just watch out for the fried potatoes and such - very greasy.
Thanks to Philip's illuminating review, I hadn't heard about their health code violations. It's something I'll keep an eye on in the future though... if they take another dive like they did in 2004 I'll keep my distance for a while.