The home espresso market is pivoting toward 83mm flat burrs, but should you choose the workflow-centric Niche Duo or the industrial powerhouse DF83 V2? While Niche offers a refined aesthetic and easy burr swapping, the DF83 V2 counters with a built-in ionizer and a motor that refuses to quit. This review cuts through the spec sheets to reveal which grinder actually delivers better clarity in the cup.