Thanks Rcprince for the input. Keven at Upscale is right. A tweak doesn't necessarily make it better, just modifies the sound. Whether it's an improvement is a matter of preference. I've been playing with all kinds of isolation devices, power cords, cones, and other kinds of tweaks. Today I put something under everything, and the sound was too analytical. More detail, yes, but less musical. So go slow and don't assume more is more.