Before someone points it out, most multichannel audio discs are 5.1, not 7.1.
One of the best things about moving up from the Citation to the Fosgate was the inclusion of Cirrus Extra Surround on the FAPT-1 for 7.1 sound. Jim Fosgate's ProLogicIIx in the FAPT1+ is even better, though I like the Cirrus ES a lot.
The Performance Series is easy to work with in these situations becuase the PT800 seems to be quite responsive to the pre/pro's calibrations. I like that. Straight-Line Signal Path (SSP), anyone?