Hit up the texis, on recc from the chowhound board. The one on 3rd street and Normandie. The papusas were decent - quite good, actually, but I'm spoiled by Atlacatl. Atlacatl's, I think, are a lot fuller - deeper corn flavors and rice flavors in the shells, happier, goopier, tastier fillings.
But - the empanadas (which are nothing like Argentinean empanadas, but are little balls of mashed plantains stuffed with something and fried up) were very... interesting. Atlacatl serves empanadas only filled with sweet... condensed milk? Tasty and sweet. Texis serves up three - one filled with a similar milk stuff and the other two filled with, er, refried beans? The milk stuff is inferior at texis - kinda tastes like twinkie cream filling - but the beans were... cool and disturbing. I mean, the mashed fried plantain coating is thick and dense and ripe and sweet, and the beans are a very similar, though dryer texture, but intensely beany. I have never quite had an experience like this. It was delightfully close to disgusting, like uni sushi. Good, though.