Wife bought me this Eames book. 
My Listening Room
Denon AVR-2805 - free from neighbor (this started it all)
Meridian Prime Headphone Amplifier - $500 purchased previously for headphone setup
Meridian Prime Power Supply - $500 purchased previously for headphone setup
Raspberry Pi 4 - $100 purchased previously for headphone setup
Raspberry Pi screen, DIY enclosure, GIK facing - $100
Pioneer HPM-60 speakers - $650
DIY bass traps - $300
7 GIK panels - $800
Wooden desk chair (Elvis) - $90
Lava lamp (Layla) - $30
White rabbit (Grace) - $50
His Master’s Voice (Nipper) - $50
Posters and frames - $300
Overhead light fixture - $20
Rolling Stone book - $20
DIY speaker stands - free
100 year old horn and DIY stand - free
APC battery backup - $90
Large white rabbit (Jefferson) - free from MIL
CurverK Eames lounge chair replica - $1600
Eames book - free from Wife
Total $5200 ($4100 incremental spending)