I stayed here for several weeks on a business trip. The location is great: the metro, a huge number of restaurants, and several grocery stores are within an easy walk; the neighborhood is safe; and despite all this the apartment itself is nice and quiet (particularly the bedroom).
The apartment quite nice, and in addition to being clean and comfortable, it's clear that Frank has put a lot of thought into what people may need for a short or long term stay. Frank is also extremely responsive to questions, and very proactive when there are any potential problems.