When my old vaccum quit working I decided to invest in a better one, instead of constantly purchasing the cheapest one and having to replace it in six months to a year.  I had heard about the Dyson vaccums and how great they were so I decided to invest in one.  I haven't been sorry since.  I am a busy mom and the Dyson saves me a lot of time because I don't have to keep going over the floor to make sure it gets good and clean.  I can go over it once and tell that the Dyson vaccum is doing it's job and getting the floor good and clean.  The feature that allows the user to switch from carpet...