Leave Simple Design To Builders To the Editor: As a builder who designs for both myself and other builders, I wish to throw more fuel onto the design/build conflagration. I have nothing but respect for architects. Indeed, I learned much of what I know from watching what they do. However, I happen to think (as do many homeowners) that architects are over-qualified for designing small and medium-sized additions, and possibly even small modestly designed houses. Any builder with common sense and an eye for design can do just fine. In fact, our most enduring classics, such as the Greek Revival Farmhouse, the New England Cape, and the Cape Cod Cottage, have typically been designed by farmers, builders, and homeowners. Most homeowners simply aren't willing