The Platinum does use Windtunnel Technology.
Floor-a-matic.... I mean this in the nicest way possible but I didn't ask what you would want over a Windtunnel. If you ask ME, a Windtunnel will out clean a DAM or Convertible any day...
Brandon, the Eureka you had experience with must have had something wrong with it, because the Victorys are about as quiet as an upright gets. Unfortunately the Enviro Vac in that picture has bad bearings and is going in the trash.