I am a firm believer on the importance of proper fin adjustmemts. When I got a new ski, I usually started with some magic numbers provided by experts (Seth, JD, etc...), and then adjusted depending on how the ski behaved. I did adjust the fin when changing water temp (winter 10°C water and summer 25°C water here...). Did that consistently with my Goode 9300, Nomad, Nomad RC, Nomad RCX.  However, with the Z7, I put the magic numbers, and never moved them. Could not find anything wrong with the setting. Got some pretty good coaches in the lake, and they told me the ski (not the skier or the skiing) looked good and nothing needed to be adjusted. Skied one full year without changing it, then switched to the Z7 ST and, up to now, same thing. Not saying that the ski is from outer space or that it increased dramatically my buoy count, but just cannot find anything to tune or change.  Anyone having the same with that ski or with another ski?