I have owned a Shark for the past year and have been very happy with it. We have 5 dogs so lots of hair and constant vacuuming required. We have quite a large house so I decided to try out the cordless for quick jobs, decided to stick with Shark since I had been happy with the other model. I wasn't expecting too much as I've never used battery powered. But WOW was I wrong this vacuum works better than our regular corded version and it is even lighter. I am a loyal Shark customer now!