The reviews for zero-turn lawn mowers are generally positive from testers at Popular Mechanics and from consumer reviews at ConsumerSearch.com. The feedback does vary by lawn mower manufacturer and by features of individual models.
A zero-turn lawn mower is a riding lawn mower with a tight turning radius due to rear-wheel steering. The advantage to zero-turn mowers is they are designed to cut edges closely so that no edge trimming is necessary.
The Popular Mechanics testers rated the Husqvarna zero-turn mowers highly due to ease of use. Information is available at Husqvarna.com. Other zero-turn lawn mower manufacturers include Cub Cadet, Simplicity and Craftsman.