I started out looking at the Gravely XL. I liked the heavier transaxle on the HD model but I did not like the steering handles. I would really suggest to go drive everything you can. I like the Kubota, Ferris and Hustler. I ended up with the Husqvarna MZT 52. I likes the heavier transaxles and bigger tires. In my test driving it seemed like the smaller tires spun out easier on the hills. I liked how the Hustler handles but they were further away. I got a good deal on the left over MZT and so far really like it.
Almost makes mowing enjoyable. My arms are less tired after mowing with it, almost seems effortless compared to fighting a steering wheel. It has reduced my mowing time by a third.