Two potential problems with this proposition, 1st, each new set have different prices (Centennials cost more)...2nd, the freight (7 lbs.) each way adds even more $$$ to the deal. I'd like to know (please post) the results if someone does the deal! It might be better to simply sell outright the new Super Pro set and then buy the Centennials (you probably will get free shipping from an internet seller).
Good Luck!