I have a CC Commercial Z-Force S 60 and I love it. It's like the regular Z-Force S 60 with a few beefed up components, but the mowing ability and handling should be the same.
I bought it because I have some slopes that are best mowed laterally instead of up & down, and it truly shines there with the only limitation being the grip of the tires and the level of your bravery. My neighbor and I tried my slope with his Exmark ZTR but the top rear tire couldn't maintain enough traction to keep the front end from swinging downhill, and there wasn't the same level of steering precision to run close along the bottom of my 900' chain link fence. Frankly, I'm surprised there isn't more talk of this mower, especially for people who have slopes, because IMO it's by far the most cost effective solid option for difficult yards. On a slope you have all the control of a lawn tractor, but with a much wider track so there's less chance of tipping over.
The cut is excellent, better than I expected, and much better than the CC SLT-1554 lawn tractor I had before. Clean discharge even in wet grass, smooth level cut (except when I take a turn around a tree way too fast), and no missed grass at top speed on the straightaways.
The steering is light, like power steering, once you get used to how to apply power in the turns, so it's easy to whip it around like a conventional ZTR using just the heel of your hand on the top of the wheel to spin it around. Very nice, and very fun to drive. It feels as close to a go kart as you'll ever get with something that mows grass. When I first got it I had a great time power-sliding around corners in wet grass, although the grass didn't much care for the sport.
The ride quality is excellent. All have some type of a cushy seat, but in addition to that there are very large springs under the rear of the seat that work quite well. I'm a huge giant person and I've never bottomed them out, but if you are very light you could find them a little stiff. For me, the ride is much better on my bumpy yard than it was on my SLT-1554.
If you have any specific questions, please feel free to ask.