I have an old Dolby ProLogic surround system I would like to upgrade to use with my HD and Blu Ray. The system I have consists of Bose 901 (please hold the bashing) front L&R channel, Polk center channel and small Bose (101?) rear channels. My tuner is a Yamaha RX-V870 - which does not support a subwoofer but provides the pre-in and pre-out for the Bose 901 equalizer. All bought in 1994 when this new fad called home theater wasn't a big priority for me. For budget reasons I would like to re-use my existing speakers. I am having a hard time finding a surround receiver with the pre-out and pre-in but there seems to be some available with a pre-out only. I'm thinking I could take the pre-out from a new receiver, go to the equalizer and then go from the equalizer to the pre-in on my old receiver to drive the Bose 901 front channels. The rest of the system, including a new sub would be driven by the new receiver (Yamaha RX-V1065?). Any body see any reason why this might not work? Is the volume control between the pre-out and pre-in? If so, I can see there could be problems keeping the volume in the front channels at the right level.