I have that Polaris that Anna is talking about. It is the Polaris 65. (It is a pressure side cleaner that attaches to the pool return jet.) I like it fine --- for some things. It does a good job of picking up big stuff like leaves, twigs, 'helicopters' from the maple trees, etc. I use it upon opening in the spring when all the debris is falling from the trees. I also use it in the fall when the leaves start dropping. But, it does not do a good job getting dust and dirt. Other than opening and closing, I don't use it. The rest of the summer I either vac by hand which is the fastest way to do it and actually does the best job and I actually kind of enjoy it. (I do it while in the pool. It is hard to vac a big AG pool from outside the pool -- for me, at least.) I also have a "Wanda the Whale" automatic vac that walks around the floor. (It is a suction side cleaner which means that it has a plate that goes inside the skimmer basket.) Wanda does do a good job of getting the dirt.