I have an extra Griots Power 6" buffer for sale. Used 1 time to demonstrate. It is in excellent condition and works and looks new. It's basically a Porter Cable 9424.
$115.00 + fees + shipping.
http://www.griotsgarage.com/product/tools/power+tools/griot's+garage+random+orbital.do
$115.00 + fees + shipping.
http://www.griotsgarage.com/product/tools/power+tools/griot's+garage+random+orbital.do