I have white carpeting throughout my home, and where there isn't white carpet, there are white tile floors.  In addition to living in the dusty south, I have really long dark hair that shows on everything. 

I zip out my Dyson Ball, and whip through the entire house about twice a week, keeping the floors looking great has never been so easy!

The cyclone technology they use sure does pull up so much you can't see.  When I first purchased it, I vacuumed with my existing vacuum and thought things were fine.  Then I went over the same space with the Dyson and I filled the canister up with dust...