The Vario is the grinder everyone respects but nobody buys anymore. It'll run for a decade without a hiccup, and the W+ model's grind-by-weight feature actually works, but retention is messy, coarse grinds come out uneven, and newer flat burr grinders at the same price just do more with less fuss. Buy it if you find a refurb under $300 or you prize Baratza's legendary repair support. At full retail, the DF54 and Eureka Mignon have passed it by.
Niche's flat burr single-dose grinder pairs 83mm burrs with the brand's cult following among espresso nerds, promising the clarity and consistency flat burr devotees chase. The catch is stark: almost no one owns one yet, so you're buying on theory and brand trust, not the field-tested proof that exists for the conical Zero. If you're comfortable being an early adopter and value the Niche workflow enough to take that leap, the fundamentals look sound. If you need to see a grinder survive a few thousand shots in real kitchens first, wait six months and check back.