Content Creation Support section
And go to the section above. It's a better place to post anyway as most of the creators look there and you may get more response.
Take note of the wise words here, I did and look what I have produced in a few weeks.
If you get stuck, post in Content Creating & Support and you'll get a quick reply.
After looking through the tutes just go in and dabble. Go into the Primatives and make things out of the shapes, practice with each one. Most buildings are boxes, although you can change a box into a wall if you want, and then they can be altered after your basic shapes are in place by twiddling the meshes.
Angela