The new hopper makes the grinding the predicted touch more ergonomic and delightful. Not sure it was worth $221, but I've certainly upgraded my life.
This (from the other thread) artificial coffee could be a godsend. We can stop sacrificing virgin beans to those with no taste buds and keep the good stuff for ourselves. https://seattle.eater.com/2019/10/17/20916019/atomo-coffee-without-the-beans-seattle-startup
Interesting, but not sure I would go there. Two many opportunities for "creative" additives to find there way in to the brew.
Acaia released an insane .01g scale for their fifth anniversary - the Acaia Cinco - which I didn't buy at the time, and it's hard to get now, but I'm considering it. https://alternativebrewing.com.au/product/acaia-cinco-scales/