I have a 7.1 setup with an Onkyo 805, 2 Klipsch RF52's and an RC-52. My 4 surround speakers are from an Onkyo HTIB and I will upgrade them eventually. My sub is a Bic100. I have been looking at the Emotiva amps and if I do get one should I go with the 7 channel UPA-7? Thanks for your feedback.