The ScoopFree litter box does scoop automatically when used properly. Most users recommend buying a reusable tray instead of the disposable ones, and there are even some people who suggest using a high quality clumping litter instead of the crystals.
PetSafe ScoopFree Ultra Self-Cleaning Cat Litter Box,
The PetSafe ScoopFree Ultra Self-Cleaning cat litter box is an automatic box which requires very little maintenance.