The Black & Decker DustBuster has immensly improved over the years.  Remember the first ones?  No suction and the batteries didn't last long.  A waste of money.  However!  I've found that the latest DB model with 14.4 volts of cleaning suction power is the most convenient way to quickly clean your floors or anywhere you have crumbs, dirt or pet hair.  Notice I did not say it would pick up whole cookies, candy wrappers, marbles, or other items that the big vacuum can get. I have two German Shedders and a fluffy cat.  I keep a Dust Buster on every floor of my 3 story town home for...