Essential or extraneous? Some cooks tell us salad spinners take up too much space. They grumble that a kitchen towel dries salad leaves just as well. Other cooks swear by their trusty salad spinners -- and some even stopped buying pre-washed greens -- after buying a salad spinner. With the recent problems with bagged greens, we're all paying more attention to how we clean our greens. Tell us what you think in today's poll. Also, let us know if you have a favorite brand of salad spinner or share your other tips on washing and drying greens.