My Setup:
Onboard (for now, hoping for M-Audio 192 Audiophile Soundcard), using XMPlay with WASAPI exclusive mode plugin in Windows 7 Pro
Concord Premium Interconnect (1.5m 3.5mm TRS to 2x RCA)
Cambridge Audio Azur 740A Integrated Stereo Amplifier (150W RMS/ch @ 4 Ohms)
Technics SL-1700 Turntable
(To Yet Acquire) Cambridge Audio Azur 640P Phono Preamp
Custom subwoofer (Jamo E4SUB.1 Box and Amp, deadened with bituminous rubber paint and lightly stuffed with acrylic fiber, everything resealed with single sided closed cell foam tape, with Logitech Z-680 8" Subwoofer Driver, with port now attached with screws as well as normal port mounting system), box raised another 1" off of the ground
Custom speakers (Australian floor standing Linear Design K-2500's, with bituminous rubber paint on all internal enclosure walls, each tower stuffed with 2KG's of Acrylic fiber, replacement 4" mid-range drivers (Jaycar one's with Magnesium-alloy diaphragms and Kapton voice coil formers), replacement tweeters (Vifa Dual Concentric Super-Tweeters -
http://www.tymphany.com/xt25tg30-04)
Speaker isolation via felt covered bases of wood, sitting on top of inflated bicycle inner tubes
Amplifier and subwoofer connected to UPS, which is connected to a Clipsal "Orange Box" portable RCD power outlet.