I have my air forks off the Husky at the moment. Also have the Ohlins from the KTM on the bench.
The difference between the two when picked up by hand (weight wise) is astonishing..
Gotta keep in mind this is the Works MXGP bike. I asked on Vital about the KYB suspension and people replied saying most of the factory teams in Europe use them. The production bike very well could have Showa still...