The 27 homes in "Good House Cheap House" prove that good design doesn't have to cost a fortune. What goes into making a good, cheap house? As writer Kira Obolensky discovers, there are three main ingredients: adventuresome homeowners who are actively involved; cutting-edge architects and designers who can solve tough design challenges; and an array of innovative uses of materials. Industrial bridge washers make for gorgeous mantelpiece rosettes, old...