Alrighty, I've got a bunch of stuff for grabs and here's what I've got; prices do not include shipping. All games are loose unless noted. If you want pics, feel free to PM me! I do not accept international offers except from Canada, sorry.
Atari 2600
Epyx 500XJ joystick - $6
Vanguard (1987 rerelease, label is kinda dirty) - $1
Atari 8-bit computers
Keystone Kapers (reviewer copy, has a plain text label) - Make an offer
ColecoVision
Defender (with manual, label has some Actiplaque) - $7
Donkey Kong - $1 or free with any purchase
Gorf - $2
Mario Bros. (first edition red cartridge, box is somewhat coming apart) - $65
Omega Race - $3
Pitfall - $4
River Raid - $5
Space Fury - $2
Time Pilot - $3
Venture - $2
Zaxxon (label is in fair condition) - $1
Game Boy
Bubble Bobble - $6
Darkwing Duck - $7
Four Player Adapter - $4
Gargoyle's Quest - $10
Qix - $3
Super R.C. Pro-Am (Player's Choice version, label is a little worn) - $3
Misc.
Extron RGB 440 interface (CIB, use this along with a special cable to convert VGA to RGB!) - $15
Neo Geo
AES stick button PCB, mounting plate w/screws and balltop (buttons are not included) - $6
NES
Conquest of the Crystal Palace (back of the cart is slightly warped) - $4
PS1
Point Blank (CIB) - $8
Sega Master System
Choplifter (CIB, label is lifted up a little on the top) - $3
Cloud Master - $6
Galactic Protector (CIB, requires paddle controller and Japanese system) - $7
Gangster Town (CIB) - $6
Missile Defense 3-D (CIB) - $3
SMS Power Gender Adapter (allows you to play American/European games on the expansion port of a Japanese SMS) - $12
Sega SG-1000
Sega Card Holder (holds up to 6 Sega Cards) - $5
SNES
Illusion of Gaia (comes in Universal Game Case) - $12
Thunder Spirits - (comes in Universal Game Case) - $10