Sitck with the Heresy's and add a sub woofer and center channel. I get good performance out of my RF-52's/RC-52/RW-10D, although truthfully, the HII's kick the boo-boo out of the RF-52's My receiver is a Yamaha RX-V661, I would go with the RW-10D and maybe an RC-64 Center. I think you...