Hi Terry! I'm Robin with B&M Lawn & Garden In Yorba Linda CA, an Exmark Dealer. Yesterday our reps brought the new Navigator mower for us to run. Sweeet! It was better than I expected. The steering response, while hard to explain, was well mannered, not jerky, and somehow made it easy to back up in a straight line. The catcher filled very tightly, and seemed to chop the grass finer, without whole blades shot into the catcher. Under the tilt up covers, the reduction in the number of parts and simplification was readily apparent. We are looking forward to our shipment of units in march, because we should sell a bunch.