Excellent location - less than five minutes on foot to the tram, a fairly major metro station, and two supermarkets. It's also just a short walk from the river, and the transport links meant it was within easy reach of the Old Town, without being in too touristy an area. The apartment was very well equipped - had about everything you could need - clean, and cosy. I didn't meet Jan in person, but he was always very clear and responsive. A great base to explore Prague from.