Real close to getting a Scag Wildcat 26HP LC. We are currently only mowing a couple of acres, but I can see where the "yard" could expand to as much as 5 or 6 acres with fast mower. I've pretty much been set on the 52" but wonder if it would be smart to go ahead with the 61". About 20% of the area is slopes, humps, dips, trees, etc, the rest is pretty flat and open. The 61" would probably work, but I wonder 2 things: 1) Is 26HP comfortably enough power for the 61" velocity deck? 2) Is it worth the extra $400 for the machine?