I have the Cyclo, PC and the three inch GG. Since buying the Cyclo I use the PC strictly for interior.
As soon as one of the big chemical companies has a 20% off coupon for the entire store I will get the Rupes 21 and the 2" Pneumatic.
end of summer 2015 purchase is the Flex Rotary 6"
http://www.autogeek.net/rupes-lhr-21...-polisher.html