The Roomba 980 is easily one the top rated, most reviewed and purchased robot vacuum of our time. When it was released, it was the most advanced, highest powered and technological wonder ever. Aside from that, it cleans really well, too. Since, other Roomba models, like the 985, started appearing and making waves.
The Roomba 675 is one of the most popular 600 series robots ever. It is so popular, in fact, it is still being sold through iRobot, alone with several other retailers, online vendors and outlets. The Roomba 670, originally released in Australia, made its way around Europe before finally landing in North America.