cancun still holds a soft-spot in my heart. their tortillas cannot be beat.
castellito has the exact method down (according to my tastes). 1-they grill the tortilla (steaming it leaves it too soft, plus it sticks to your teeth), 2-their rice is never dry and their beans are never too salty, 3-the dudes there are totally nice, 4-on the rare occasions that i do have meat in the burrito, it is always top notch plus they grill it before buidling just like cancun, farolito, etc..