We had a cracking stay at Joost's place. Amsterdam is a beautiful city and Joost's apartment is in a great location for the sights. we bought a GVB 3 day pass (20€ for tram and bus) to get about but we ended up walking a lot to take in all the sights. There is a lovely restaurant 2 minutes walk called Bistrot des Alpes which is a little pricey but if you love your cheese they do an amazing four-cheese fondue that is just an explosion of taste in your mouth. We did a night cruise to see the light show but I wouldn't recommend that as you can't actually see much with the plastic windows steamed up with the cold. other than that just wandering around Amsterdam is so interesting and Joost's place provides an excellent and comfortable base to explore it from.