Thanks for the links Lobo.
ArchPack is an addon I definitely want to purchase.
At the moment I feel it would be a bit cheating. Since I am in the learning process I have to do everything the hard way, But I will for sure acquire it this fall.
btw do you know that website ? there you can download all these houses blueprints: Got it from a video on how to model a house (the hard way :)
homeplans.com

Yarp - author of P3DO Organizer for Poser