In no particular order:
3DO FZ-1 - broken, won't read discs properly and is missing some case screws - $30
3DO FZ-10 - works great, comes with Doom, Samurai Shodown, two controllers and cables - $95
Sega Saturn - region-free BIOS, modchip, cables, and a controller - $150 (shipped)
Sega 32x - boxed complete short of the model 1 jumper cable - $45
Dreamcast - region free BIOS, vertical battery holder, cables and a controller - $75
PSOne - modchip installed, controller, cables - $55
GameCube - XenoGC installed, replacement case installed, controller, cables - $150 (shipped)
N64 - RGB modded, tabs cut, overclock switch - $100 (shipped)
SNES jr - RGB modded, cables, controller - $70
Xbox 360 - Jasper with replaced front, sports a Matrix glitch chip for RGH, not banned, cables no controller - $150
N64 Pokemon controller - $45 - stick is in amazing shape and there is a mark on the controller itself that you can't see here
MYST - Atari Jaguar - $10
Trance Vibrator for Rez - $60, in amazing shape and has never been used for what your filthy mind is thinking
GameCube component cable - $200
XBox - TSOP flashed, stock HDD, - $80 - cables, controller
Slim PS2 - $45 - cables, controller, no modchip but I can offer FMCB if you like
Final Fantasy II reproduction - $35 - cart only
Final Fantasty III reproduction - $45 - cart only
Earthbound Zero reproduction - $35 - cart only
Super Mario RPG "reproduction" (it's a real SMRPG cart and PCB with the mask rom swapped out for English) - $35 (happy to mod it for PAL and ship it to Europe) (if this isn't an acceptable item to sell I'll happily take it down)
I'm not fully aware of the value of some of these things as of late so I *might* be willing to negotiate and/or accept a trade. Not pictured: GameCube replacement cases.