We had a great stay - the apartment is clean, comfortable and convenient to restaurants, Whole Foods and the bus. The linens and decor were high quality and the beds were comfy. The Metro is a bit of a walk, but if you are comfortable with biking, rent a bike with the Capital Bikeshare a block away to see the sites.
We were lucky that the upstairs apartment was empty during all but the first night - so if you are a light sleeper, you might hear walking around and water running. The neighborhood is really quiet, though, but so close to great restaurants.