head on over to http://couponwithcents.com/showthread.php?26075-Litter-Robot-Review-and-Giveaway!-Ends-10-11-12 to enter to win a litter-robot!
From their website:
Automatic Litter Box that Saves Time and Really Works!
Automatic litter box that frees you from the chore of Litter Box Scooping
Patented sifting system provides clean, level litter and Cleaner Cat Paws
Litter waste clumps drop into large bottom drawer for Easy Bagged Disposal
Waste drawer can retain several days' worth of Bagged Waste
Cat-activated operation works to dramatically Reduce Litter Box Odor
Provides overall Peace of Mind for the well being of your pet
Increases personal freedom for short personal or business trips
Decrease cat box clean up time and increase fun time with your pet
Cleaning the cat litter box is now as simple as changing a kitchen garbage bag every few days. If you have several cats, the Litter-Robot™ drawer may still need to be emptied daily, but you will never again have to scoop a dirty litter box by hand!