I’ve had a Key for four months. Before that a Niche. I get better coffee from the Key. I can also tweak the shots slightly with the adjustable rpm.
None of the problems reported on various forums, I wonder what the actual number of true complaints is and what is piling on.
With regard to the perceived flaws, none of those have occurred for me. I don’t see wobbling burrs or flexing drive shafts. I’m using lights roasts and grinding at 40 rpm with no stalling.
I like the unusual design, the narrow footprint and massive burrs.
Mine cost me £1500 as I was front of the queue when it was released. Arguments about whether it is worth three times as much as a Niche aren’t relevant, that could be applied to most premium items in whatever pursuits we choose.