We had a very successful experience at Teresa's apartment. The apartment looks exactly as described: modern, beautifully designed, spotlessly clean,and well equipped. The location was excellent, in the midst of the "old" city and a few steps from the Douro river. Most places worth visiting during a short visit to Porto are reachable walking. Also , there are around lots of bistros, local restaurants ( though crowded with tourists) and Porto-wine-testing places. It is worth noting that if you sleep with open windows late-night noise from the back street can be heard ( as advertised, the apartment has no air-conditioning). Having said this, we would very happy to come back to this place!