Tacqueria Coatzinga (Roosevelt and 76th) has been discussed some on this board before. I just want to mention it again and encourage people to eat there. I had previously only eaten tacos there, my estimation of the place rising incrementally each time I went. The first time I thought they were pretty good, maybe the best in the neighborhood but no real reason to go there in particular... over the course of about 10 visits for a quick snack on the way home from the train, I got happier and happier with it until at last the scales fell from my eyes and I realized, this is really good food! (Caveat: it's still got to be said their tacos are not as good as La Espiga in Corona because the tortillas are not quite as fresh.)
So I finally went in there for a real dinner and their other food is as good or better than their tacos. We ate posole, tostadas (served with the posole), chalupas al pastor, enchiladas mole, and a forgettable tamale. Everything besides the tamale rocked! My personal favorite dish was the chalupas (the ultra-freshness of tortillas is not as critical when they are fried) but each thing was very much worth while, worth eating and paying attention to, the mole sauce blossomed with flavor, as did the posole and the chalupas, and the tostadas -- each one its own distinct aroma and flavor. Go with a lot of people so you can roam freely over the menu, there is lots of great stuff that was beyond our capacity, must go back soon!