Summit X for main stereo, Stage X for centre, EM R's * 4 for ceiling. Sides and back surrounds TBA. Mono block power amps being built by John Westlake. Current stand in - Onkyo pa-mc5500 9ch power amplifier. Marantz AV7702 Atmos processor. JW Modified Audiolab MDAC (fusion spec) . Auralic Aries and Oppo 103D. JVC x3 projector but no screen yet