some nice systems on here 
thought I’d throw in my main setup, which I can’t imagine I could improve on IMHO (unless I went for the eyewatering Hugo DAVE Dac…)
Network Streamer : Pi3 + Allo DigiOne signature
DSP : MiniDSP DDRC-22D
Upscaler : Chord M Scaler
DAC : Chord Qutest
AMP : World Designs - WD88va (Class A PP KT88) with many upgrades/modifications
Speakers : Living Voice IBXR2