Check out The Railroad Forum magazine at http://www.railroadforum.com/magazine/structuralhtml/shell.htm A new twist on the run of the mill forum out there. This is a brand new idea from one of the forum members which just brought this idea up on-line.There is some good info on techniques in building your model railroad. It’ll be interesting to see how it pans out. The forum site that started the idea is www.railroadforum.com