Have a Polaris 280, which my pool guy says is the best. It's 4 years old. At the 2 1/2 year mark, I started having all sorts of trouble with it. I have had it completely rebuilt and it's constantly getting worked on. I have spent more on it than a new one costs. It broke again and my husband told me not to repair it and buy a new one. I am reluctant to go with the 280, though on another pool, I had the same and it worked for years without problems. Suggestions please. I need to order one today!