Lexicon MC-12b Pre/Pro
McIntosh MC206 Power Amp (all 6 5.1 channels)
Hafler XL480 (l&r back channels)
Boston Acoustic A400 (l&r mains)
BA A200 (front center)
BA A60II (surroung & back channels)
RTR DAC-1 passive subwoofer
and scads of input devices

With all the talk of room equalization in the forum, I thought I ought to mention that I just upgraded the Lex to Vs 4. WHAT A DIFFERENCE!!! I have never heard my room sound so good. It definitely justifies the new price (if you're coming in cold).
Marty