The Hoover Windtunnel is awful.  It was, by far, the worst vacum I've ever owned.  It spit dirt and dust back at me when I tried to clean my hardwood floors.  The debris holder was a nightmare to clean, and never actually came clean, ever.  It left a ton of dirt and sand behind, and would stop working for no obvious reason.  I'd have to let it rest for several hours before I could use it again.  Then, it woudln't pick anything up, and I'd have to sweep anyway.  Don't waste your money, buy any other vacum, and you'll be better off then if you'd bought the Windtunnel.