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I'm HeadphoneAddict on Head-Fi.org forums, and I'll be at Rocky Mountain Audio Fest and CanJam this September in Denver/Aurora. I found the forums to become fatiguing with the same old questions asked over and over. I also could not keep up with all the newest developments in other brands than my favorites - it was costing me a fortune.
I have a plethora of DAC's and Amp's, but my big rig has a PS Audio Perfect Wave Mk2 DAC feeding an Eddie Current ZDT tube amp with the partial silver transformer upgrade. I use a Moon-Audio silver dragon balanced cable with my HD600/650 or Audeze and HiFiMan headphones, and their Black Dragon cable with my HD-800.
I also use a CEntrance HiFi-M8 with my MacBook on all my headphones and IEM, or their BlueDAC for my Balanced Westone and JH Audio in ear monitors.