As it is new for this year I believe only those involved in R&D and the spring preview of the 2016 sleds will have had the opportunity to try it. I am really interested too, but I will be waiting until I can ride a sled with one.
I'm interested in it. I run a 3" and a stock skid so some quick easy wheelie control would be nice. Suck it down for climbing then let it out for boondocking.
I'm interested to see how it works out too cause the 163 T3 was a cat walking monster. Last year I swapped out to the heavier torsion springs though and it was the best thing for that sled (and cheap, like $80). I found it was perfect as you could still cat walk nicely when you pulled back but if you stood further forward on the boards it was much easier to handle in the steeper terrain. In last years traction king snow I was quite frustrated with the 163 3" in stock form.