Nice and VERY clean apartment! (the first thing my girlfriend noticed). Our bedroom and the bathroom were amazingly clean (which is important to mention when you're sharing your flat with the owner).
The room is not big, but has everything you need if you want some privacy (fridge, small table with two chairs, TV, and last but no least : a full Nespresso and tea set with your boiler,cups,sugar...). Still, we spent most of the time out. The location is great, there are very few metro stops in the center and his flat is very close to one of them, in 10 minutes you arrive at Centraal Station.
There was a really good communication with Guus. We exchanged many emails and he was really concerned that we find the place easily. He also gave us tips for dinner, bars, and coffees. But what I'll not forget is that he accepted to keep our luggages after the check out so we could visit freely, even tho we stayed only one night (the other one was in a hotel) and he even waited for us at his place at the time slot we told him so he could be there when we'd arrive, despite he had a football game. A great place and a great guy! I definitely recommend!!