My 20 YO Toro Wheelhorse Rider and 48 inch deck is about done. Looking to cut mowing time and stop getting my body beat up. Dealer has proposed the Toro Titan MX6000 with a 25 hp Kohler for around $6k or a Scag Cheetah with 27 hp Kawasaki for around $10 k ( knocking $2k off). I mow in New...