Hey JD, your equipment in your main room is certainly worthy of the upgrade. I bet that room sounds awesome on HT. Quality of in wall speaker wire and crossover linearity may diminish the effect of the upgrade, but maybe you have already covered those bases with good wire and well tweaked bass. Choosing Triad Gold and lossless rips indicates you have good ears so it is likely you will get your money's worth from the PS upgrade. There is no doubt that the linear, high current, high regulation power supply improves the quality of analog signal from SB. Whether your system can reveal it and your ears detect it while playing your choice of music which may or may not reveal changes in sound quality will determine the value of the upgrade for YOU, and everyone is different in those regards, thus the controversy. Try some well recorded symphonic music like beethoven played loudly as a wav file when you compare. It is very revealling of tonality and dynamics. Good luck! Rich
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