Finding Dutch address data

We all know that having data officially available is not the same as it being accessible. In the eye-opening and useful Blog of Gert-Jan van der Weijden ( in Dutch, I am sorry) , he tells how he searched for the official dutch address data that is supposed to be accessible as well as available. And he does come up with a solution: how to actually acquire said data...!

http://gisnederland.blogspot.nl/2012/10/waar-is-de-bag-hier-is-de-bag-de-bag.html