Hi sprint,
I was struggliing with the same issues as you.
My setup is a Denon AVC-8500H with Genelec 8331's, 8320's and a DIY sub eq'ed with a miniDSP 2x4 HD in a 5.1.4 configuration.
I don't care much for Audyssey, with GLM being far superior IMHO, but subwoofer integration was going to be an...