Dougal is the albatross around shock craft’s neck, much like Elon is to Tesla. Could be great, but so many people refuse to bother dealing with, or supporting him, based on his behaviour.
Of the shocks on your list, I own three: Cane Creek Kitsuma Air, Fox DHX (Avalanche modded), and the RS SDU coil. The Avalanche/DHX is undoubtedly the best choice for bombing down chunky trails with control. However, it lacks HBO, so I sometimes bottom it out firmly on drop-offs. The SDU coil has HBO, which is a nice feature. The...