I just sold my Khorns that I have cherished since 1981. I downsized my home and they no longer fit. I am reading about the RF-7's which would fit. What is a best price new and used and whereto get them? To ship the Khorns, Klipsch "STRONGLY", recommended crating. Should the RF-7's be crated? What power amps are recommended? I have an Audio Research SP-11 pre amp. Is there a place on this forum for buying used? Thanks.