While some may consider this a bit on the gadgety side, I think it is a must as dressings do not stick to water-logged salad greens.

This is a big ticket item, but worth its weight in gold. It will save so much time when it comes to simple chopping or more advanced preparations like mayonnaise. As with most things, buy quality-- it will last longer, be capable of tougher jobs, and give you less problems. To make the food processor easiest to use, leave it on the counter top instead of storing it in a cabinet.