The delta pad is a lifesaver for getting into drawer corners and window trim without burning the finish, and the 3mm orbit leaves a surface that’s ready for the next coat with almost no swirl marks. It’s light enough that my wrist didn’t cramp after an afternoon of sanding stair spindles.
I've been using it for a few weeks on small furniture repairs, and the 3 mm orbit really does keep the finish smooth without gouging the wood. The delta pad reaches into corners my old square sander just couldn't, and it's light enough to hold for long sessions without my hand cramping.