I've become friends with Lawnsite member "puppypaws" through PMs and email and today I visited his farm. He offered to let me try out his Hustler Super Z (66" Kohler 28hp EFI) and he'd try out my Ferris IS1500 (48" Kaw 21hp). These are not comparable mowers as far as size and power, but that's what we had to swap with each other for an hour or two. The Hustler Super Z is amazing. I didn't really think you could mow grass at 15 mph and be comfortable and get a clean cut. The Hustler does it. It's more comfortable to operate than my Ferris. The Flex Forks and Flex suspension seat combined with SmoothTrak steering makes for a very enjoyable machine. I couldn't believe how it felt like the mower just floated over the ground. I asked Mr. Reid if the mower handled that well from day one or if it had loosened up some in 350 hrs of operation and he said it had always been that easy to handle. The cut quality is excellent. I'm not sure what type of grass we were cutting, but it was in decent shape. It wasn't manicured, but it wasn't a weedy field. I would expect a few straggling weeds, especially cutting at 15 mph, but there were none. The XR-7 deck with Fusion blades leaves a flawless cut at any speed. The engine on his mower is the 28hp Kohler EFI. It handled the grass well and sped up hills without bogging much. In really heavy grass, the RPMs did drop off a little bit more than I would have liked, but the cut quality was still just as good. I think 30-32hp would really be great on a mower this size, but the 28 gets the job done. Being EFI, there is no choke and the engine cranks instantly. I asked Mr. Reid what the fuel economy was like and he said he had tested it and it came to .93 gallons per hour. Considering you can mow 7+ acres of open land in that hour, that is fabulous. Overall, I was very impressed with the Hustler Super Z. Amazing speed, comfortable ride and handling, and good fuel economy with enough power to get the job done. I want one!!!