I recently became hooked on the helpful Youtube videos that this site has. I've got a beginner question unfortunately. I've got some really old JBL northridge series speakers that I'd like to upgrade to RBH. My question is should I go for the reference series for home theater or the standard model? Would an average person hear a difference? I was looking at the sv-61r\/661r\/661cr for a 5 channel system. I do mostly music listening. Thanks for any help and sorry to hijack the thread.