Maybe Oregon's pinot noir pioneers had it right after all, that the rolling hillsides near Silverton — not Dundee — were best suited to cradle the state's wine industry.Ken Johnston, general manager of vineyard operations for Winemakers Investment Properties, certainly thinks so, and he's in the middle of a multimillion-dollar venture to prove it, using a mechanical-based business model that is all but unheard of elsewhere in the Willamette Valley.