Ya know, if I had $3,000 to spend on headphones, IEMs, AND sources together...
Open-back Over-Ear: iBasso SR1 ($500)
Closed-back Over-Ear: Audeze Mobius ($400)
Closed-back IEM: CCA 16 ($85)
Desktop DAC/Amp: Audio-GD NFB-1AMP ($485)
Laptop/Tablet: Micro$oft Surface Pro 6 ($800)
DAP: HiBy R3 ($200)
Other: New phone, raspberry pi and supplies, threads, whatever ($530)