I've sold most of my older consoles. I emulate them on the PC, my PSP, or play them on a console that has bc. It's not the actual hardware, but I no longer take them out so leaving them packed up is a waste of space.
PS3 Slim
PS3 60GB(hardware/software bc model and space heater in one.)
Gamecube
NES
SNES
Gameboy
Gameboy Advance
Nintendo 3DS
PSP
Vita
Consoles I still have games for but no console.
Sega Genesis
Sega CD
Dreamcast
N64
Wii(never bought a Wii)
GBC
DS
PSX
PS2