I've seen the inverted splitters and seem like a good idea. I usually have all my logs in one spot though, and that CID splitter is operated externally. So you just set it there, set the throttle on the skid steer, hop out and throw your log on. Split and throw another on. It makes it nice because you don't have to keep getting in and out to operate the hydraulics.
I've never seen the kinetic ones before. I'm gonna have to do some research in to them because you've peaked my interest.
The top two kinetic splitters are #1 The Super Splitter and #2 The DR Rapidfire. I've got the Rapidfire in my sights. Even though everyone raves about their Super Splitters it is a little more expensive than the Rapidfire and the Rapidfire comes with a 2 year warranty extendable to 5 years for an additional $200. Plus the Rapidfire is set up to be towable and the SS isn't.
The kinetic splitters being a simple as they are aren't cheap. You're looking at about $3K delivered. At least the way I want it set up with the electric start and optional work table. But they are very quick at turning logs into firewood and sip fuel compared to the hydraulic machines. Plus there's no pump, fluid or filters to mess with.
That being said, I just bought a Harbor Freight 20 Ton Dual Cut hydro unit. For the price, I couldn't pass it up. $824 to my door. It will make a great interim unit until I can get the Rapidfire. And even if I have to upgrade the pump I'll still have less than $1K in it.
Item number 61594. On sale for $899 (use code 23829734 for 25% off). This brings it down to $675. Then ya add back in the tax and delivery. If you can find one at your local HF then you can save on the delivery. None of them in my area had one in stock.