[dmbr]

Hello all,
I'd like a little advice...I'm looking to improve my setup, but I'm not entirely sure what component to look into upgrading next.

Here's the whole shabang, any feedback would be much appreciated

Power:
Furman P-8 Pro Series II Linear Power Conditioner + PS Audio Noise Harvester

Chain:
PC w/ Jitterbug in adjacent USB slot > Pangea Audio USB cable - 24 ga solid silver > iFi iUSB + iPower PSU > iFi Gemini dual USB cable > iPurifier2 > Uptone Regen + iFi iPower PSU > SBooster VBus USB Isolator > Elijah Audio K-Lite 160 USB cable > Xonar Essence One Muses Edition DAC + PS Audio PerfectWave AC-12 US Version Power Cable > Dyson Audio Silver Kapton Audiophile RCA Preamp Jumper > iFi iTube (preamp mode) + iFi iPower PSU > Dyson Audio Silver Kapton Audiophile RCA Preamp Jumper > Yulong A28 fully balanced class A headphone amplifier + Pangea Audio AC 14SE MKII Signature Power Cable > fully balanced Cardas Fatpipe headphone cable > Sennheiser HD800's

Phew...