The good thing about it is gets up most of the cat hair on the hardwood floors and this keeps me from vacuuming every day. But the cost is high...I have the s9. The worst things about it....very noisy!!! It also gets stuck at the ends of short pile carpets. And I am very unhappy with the brushes. I have to replace the brushes after only 3 months of use.....they should last longer than this!