It's been constantly evolving, and this is the current (Feb/2009) set up.

CD front end/PiTracer~Gemini
Analog front end/Miyabi/47~Koma-Tsurube~Phonocube
Pre Amplifier/Kore-Eda LLA-1
Electronic crossover/Pioneer D23
Amplifiers/3 x Gaincard 25W for mid, mid-high and high
               2 x Gaincard 50W for the top woofers
               Denon POA-8000 for the bottom woofers
               RU-DA4D distributuon amplifier
               (between the crossover's woofer output and amplifiers)

Speaker/Pioneer PT-R9 (16kHz~)
             JBL 2450 with Edgar salad bowl (1kHz~8kHz)
             JBL LE8 early version (200Hz~500Hz)
             4 x Scanspeak 21W-8555-00 (~100Hz), all parallel
             Slopes are all 6db
             Cabinets are all sealed, and anchored to the ceiling

All interconnects are OTA. Speaker cables are OTA and 4719. Digital cable is some obsolete one my friend recommended.