So, I have to admit, I was sceptical …. and wrong.
Dam this espresso rabbit-hole.
Okay, just how much difference can ‘precision’ in those tiny holes make?
Turns out …. rather a lot. It definitely affects consistency. And that, in turn, affects taste.
So from “dubious”, I have now changed to "given how damned expensive coffee can be, this has to be one of the best-value upgrades going. I have …. ummm, smelled the coffee. 😉