Linfield Northern & Southern RR: Northfield Yard
O Scale Trains Magazine 32 May 2007 pg. 21 Scale: O Category: "Layouts - O"
The author describes how he built his 2' by 6' switching layout to take to shows for only about $275. Includes photos of the layout (including an overhead one that shows the track plan). The idea is that larger layouts aren't necessarily better; it's all in what you enjoy.