I was browsing the Makita site and found this little dude. It`s a 7" rotary vertical polisher. It goes up to 1200RPM so I don`t know how well it would for heavy compounding. Looks like it would work well from glazing to medium cleaner polishing jobs. Check it out,,,,,,,AR

http://www.makita.com/Tools_Item_View.asp?id=318

Here`s a pic of it