We stayed in David's apartment for 4 days. Communication was good and our host was very friendly, unfortunately we didn't meet him personally. I could sleep well in the bedroom and so could my buddy on the big couch. The noises from the main street didn't bother us too much. There is a mini market (where we got the keys) right next door and only a few steps away a tram stop and an ATM. I can recommend the apartment for a short stay in Prague!