My question is how would Paradigm Reference Studio 20's work for my front center and rear center channel speakers? I have an extra pair and want to replace my old klipsch front center channel and add a rear center channel to my system. I have a Yamaha RXV 1200 receiver, Paradigm Reference Studio 60 fronts, Paradigm Reference Studio ADP surrounds and Paradigm PW2200 sub. I have considered the Paradigm Reference Studio CC's for front and rear centers but since I already have the Studio 20's I wondered how much difference there would be between the two set-ups. Any advice is appreciated.