My friend and I stayed at Gijs' apartment and we enjoyed the stay very much.
The apartment is only a 10min from the Central station and is located within the first 'canal'. This location makes it possible to walk to various spots within the city core and also to come back during the day to rest, nap and then keep going.
The breakfast is just as delicious as it shows in the photo and Gijs was also wiling to help us with any question we had.
We only stay for one night but it was well located so we were able to see quite a bit of the city during the day and the night by simply walking everywhere