Black & Decker detail sander. Bad bad bad. All about noise and vibration and *nothing* about sanding. Total junk. POS
Porter Cable 555 biscuit joiner. The damn fence was a fight to get parallel to the cutter. I didn't toss it, I sold it and recovered about 80% of what I paid. Not completely a POS though.
The Rockler diamond coated cones for sharpening hollow mortise chisels. The coating immediately removes itself from the cone upon application to the chisel. POS.
Craftsman router bit sharpening system. A small stone to be mounted to the router, a jig attached to the bottom of the router, align the bit with the stone, turn on and move the bit over the stone. Junk. A router bit destroying shark if you can get past the idea of spinning a stone at 25,000 rpm. POS.
Craftsman jigsaw. POS All noise and vibration and very little actual cutting of wood.