There's also a centrifugal build to the bin aimed at eliminating clogs. The translucent design means that you'll be able to see when it's full without needing to open anything.
Here's a long exposure light painting of a typical PowerBot cleaning run, with red glow sticks stuck to its head. You can see how it finds its way along the perimeter to map out the space, then cleans up and down through the middle in rows.
Unlike top-of-the-line Neato and Roomba models, the PowerBot doesn't have a side-spinning brush, which likely would have helped it clean a little bit better along walls.
The Samsung PowerBot VR9000 sells for $1,000 in the US (you'll find it for about £700 in the UK, or about AU$1,500 in Australia). Is it worth such a steep price? Our review will help you decide.