Roomba is absolutely a drunk robot. It also has inappropriate relationships with a few different inanimate objects in the house. It clogs every day, but we set it to keep running after the bin is full until they cycle is done, so that helps. Then I just pull a large, compressed wad out of the bin every day. Even with the Roomba we have dust/hair bunnies, but at least the floor isn't crunchy on a daily basis anymore. I asked for it for Christmas 2 years ago and got it, best gift ever. Well worth the price.
It also follows me to the bathroom every single day. Not sure what's up with that, but it's like it learned it from the dog and cats.