I've finally taken the effort to list the dregs of my collection up for sale.
Colecovision games (cart only, $3 each)
Lady Bug
Venture
Mr. Do!
Space Panic
Pepper II
Game Boy import: Kunio's Dodgeball (complete) $20
Sega CD game, Sonic CD complete $3
Neo Geo Pocket/Dreamcast link cable $20
Atari 2600 power supply $5
A couple TV Game switchboxes (untested) $5 each
I'll be adding to this as I unearth more stuff.