I have an Onkyo receiver that is capable of 6.1 sound. I currently have no rear center channel and want to buy one now that I have some money. My current speaker setup (all Paradigm): CC: CC-170 v.3 FL/R: Titan v.3 RL/R: Titan v.3 When I bought my speaker a year ago or so the salesman said that Paradigm does not sell individual speakers. I would like to buy 1 more Titan for my center rear if possible. Can I buy them individually? Are there any single speakers that would go well with the rest of my setup? Other options (any of these listed as a pair would be run in series into the 1 channel): 1)(~$200) buy a new pair of Atoms or Titans 2) (~$120) buy a pair of version 1 Titans off ebay 3) (~$400) buy new ADP-170's and move existing Titans to center rear 4) (at $60 currently on ebay) 1 Atom v.2 speaker I probably won't go with #4 because I don't have that much to spend. $200 at max for me. Any other ideas are welcome!