Getting back to the original turret feel discussion....
It is very subjective and I have not tried the non-locking ZCO turret. I will at SHOT next week.
As I am going through another High End Tactical comparison right now and have/had all of these side-by-side, I figured I can chime in on what my take on these is. Before I do, keep in mind that non-locking turrets are easier to make with a good feel than locking ones.
Also, turrets with fewer clicks per turn allow for wider spacing and, once again, it is easier to get the feel right.
To me, the best turret feel is still Tangent Theta P-series, with the simpler M-series being very close behind but this one has 6mrad per turn, so it is easier to make good.
The best locking turret in terms of feel is probably the one on March 5-42x56 with 10mrad per turn, with S&B's DT II+ and ZCO being close behind. S&B and ZCO do have more clicks per turn and if I had to choose, I'd say I slightly prefer the DT II to the ZCO in terms of click feel.
However, now that I am looking at a bunch of turret designs carefully, I kinda like the locking levers rather than pop up designs. The big question is whether those levers are going to get jammed up when presented with dirty/dusty environments. I did some moderate torture testing with the S&B and March and have not had any issues (it is not hard to find dust and sand in New Mexico...), but in extreme conditions I would think that a turret you need to pop-up to unlock is probably less likely to jam up than the one with the lever. I'll keep beating the lever-locked turrets I have up and see how it goes.
Honorable mention: the Razor Gen3 6-36x56 I have has absolutely exceptional turret feel, but there appears to be some variation based on what people are saying. I'll wait to see how it shakes out and try to get my hands on a few more samples before I make conclusions.
ILya