I've have this sander for over a year and it still works great. It's not only quiet, it sands good. I even waxed my boat with it's buffer pads. And yes, I can still find the sanding disk (but, only in stores, not online ).
Craftsman 0.5 amp 3D Sander is recommended by Maycraft18
Variable speed, 800-2600 rpm, bevel gearing, 240/150/100 grit, hook and loop sand paper mounting, 150 medium disc grit, plug in disc mounting, 3 x 1-13/20 in. disc size.