The Sette 30 is a single-dosing grinder with a fatal flaw: the plastic gearbox cracks, motors burn out, and owners replace parts so often that Baratza's excellent repair support becomes a feature, not a safety net. The stepped adjustment is too coarse for real espresso without a $100 upgrade kit, at which point you're nearly at Sette 270 pricing anyway. Skip this unless you're running a pressurized basket or genuinely enjoy tinkering. For reliable daily grinding without the maintenance drama, spend the extra on an all-metal Eureka Mignon and sleep soundly.
This all-metal workhorse grinds espresso beautifully and runs quieter than most competitors, but the stock adjustment dial is the size of a shirt button and makes fine-tuning feel like defusing a bomb in the dark. The 55mm burrs are excellent, the build is tank-like, and the compact footprint fits under cabinets, but displays fail after six months for enough users to matter, and true single-dosing requires an aftermarket hopper and bellows the factory should have included. Buy it if you enjoy tinkering with a strong modding community behind you, or if you'll use the hopper as designed and can live with 2g retention. Skip it if you want plug-and-play reliability or resent paying $400 for a grinder that needs fixes out of the box.