1) I should "upgrade" to the NZ given all of the glowing reviews; and 2) I am kidding myself to think I will notice any difference the cup - especially since I exclusively drink flat whites.
No need to upgrade. Or just for the sake of trying out. I have tested both side by side and could not notice big differences tastewise. Stirring or shaking is mandatory with the Niche. With the Euereka I do it as well but the effect is less dramatic.
Both are great little grinders. And both are pretty silent as well. I slightly prefer the looks of the Eureka (especially next to my PV Export) but on the other hand I like the single dosing routine with the Niche. And I value the fact that I can use different beans on the Niche at the same time. My wifes prefers medium dark comfort espresso while I prefer coffees with more complexity. That makes the Niche my daily grinder. By the way the Niche looks aesthetically better next to my Elektra mcal. So I feel fortunate to have both