ToolSmithDirect via eBay offers the Kawasaki 1/4 Sheet 2-amp Palm Grip Sander, model no. 841931, for $20.99 with free shipping. That's $19 off list and the lowest total price we could find. It features a dust bag with built-in vacuum adapter, five sheets of 60-grit sandpaper, and a 2-amp motor which generates 13,000 orbits per minute.