I purchased this vacuum in November 2008. After my initial honeymoon phase (being happy about the cordless part), well I might use it every couple months now. I have 3 dogs and 2 cats, and all Pergo flooring. In the winter the brush on the vacuum does nothing but produce tons of static, making it impossible for the vacuum to suck up any pet hair at all. In the spring / summer, the little rollers on either side of it collect all the hair, so it must be turned off, picked up, and cleaned out every few minutes. I had very high hopes after reading all the positive reviews here, but unfortunately it just hasn't worked out for my living situation.