I have one:
It helps dampen vibrations a little more than my old carbon seat post. I love the ENVE clamp that holds the seat to the post. The change in ride quality is probably equivalent to widening your tires by 2mm. If you have the money and the manufacturer says you’re within the allowed weight range, then maybe go for it. There’s a lot of places to spend money for upgrades. Somebody should create a hierarchy of where to start/what to upgrade first … (in another post)