Meet the Neato Botvac D80: a robot vacuum with laser smart mapping and navigation system to scan and map your room and do a better job cleaning your place. Neato BotVac picks up dirt, crumbs, dust bunnies, pet hair, and everything else. It includes a spiral blade brush and a combo brush to clean your floors.
This robots knows when it needs more juice, so it returns to the charging base automatically. You can easily set up a cleaning schedule that works for you. Sets you back under $500 at this time.