Have you been to the new Peruvian joint? Peruvian Chicken and Steak, located on Park Road on the north side of DCUSA has been open for a little while. My buddy went there the other day and said it was pretty tasty: "Pollo Sabroso has some competition." The atmosphere looks... lacking, but hey, most Peruvian chicken places aren't known for their interiors.
There's no Yelp reviews so far, but another place with the same name in Arlington has 4 stars, so I'd assume they use the same recipe. Have you been?