Modular Myths To the Editor: This letter is in response to Building With Style, 2/90, entitled "Why Factory-Built Housing Will Succeed —Someday." Speaking for the members of the New England Building Systems Council, a group of modular manufacturers located here in the Northeast, I take considerable exception to some of the points made by Mr. Tully. He says, "From the beginning, advocates of factory-built housing promised cheaper, better, and faster housing. None of these goals have been met…" A rather rash statement considering the facts that are available. First: We don't build cheaper homes, but we do tend to build them less expensively than comparably constructed, site-erected homes. The savings, while not spectacular, come primarily in the areas of materials and construction financing—materials because we