Stayed 3 nights in May in this Clean well equipped apartment . We were greeted on arrival by one of the owners who was very friendly and helpful. Top tip if driving is to park in the Olympic stadion park and ride and get the tram this costs only one euro per day including a trip too and from the centre. This is only 10 or 15 mins on the tram to prinx apartments.
The trams are really great in Amsterdam for anyone not familiar you can get a 2 day pas for 12 euro. The central area is small and pedestrian friendly but watch for bikes cars etc coming from all directions. Many many bars and restaurants near the apartment together with museums etc and the very centre RLD Ouse church etc maybe 30 mins stroll or 5 -10 mins on the tram.
We would recommend Prinx and would happily stay again.