own:
nes
snes pal

snes us

snes us mk2

super famicom

super famicom mk2

n64
virtual boy
gba sp
gamecube
wii
megadrive
playstation
playstation 2
psp
playstation 3
xbox360

owned but sold:
atari 2600
atari lynx
commodore 64
gameboy
gameboy pocket
gameboy color
gameboy advance
ds
dslite
master system 1
master system 2
game gear
megadrive 2
mega cd 2
32x
saturn
dreamcast
psone
xbox

plan to get a dsi when theyre released

Own(ed):
NES
SNES
N64
PS1
Dreamcast(RIP)
PS2
GC
GBA
Xbox
PS3
360 (RROD)

Eventual Purchase list:
Wii
PSP
DS
360

RCA Studio 2,

Atari 2600 (about 150 games)
5200 (about 40 games)
7800 (about 40 games)
600xl/800xl/xegs (about 40 games)
Jaguar (about 40 games)
lynx (about 40 games)

Intellivision (65 games)
Odyssey 2 (about 10 games)
Colecovision (about 40 games)
commodore 64 (about 12 carts ???? games on disk)
commodore vic 20 (same as c64)
tandy coco 2 (5 cart games)
ti 99/4a (same as commodore stuff)

Sega Master system (about 60 games)
Genesis (about 200 games) +32x +cd
Saturn (about 20 original games)
Dreamcast
game gear (about 60 games)
nomad

Nes (500 games)
Snes (200 games)
n64 (70 games)
gamecube (40 games or so)
wii (30 games)
gameboy (original pocket, color, around 200 games)
advance (30 games)
ds (50 games)
virtual boy (6 games)
ps1 (about 20 games)
ps2 same

philips cd-i (5 games, all awful)
3do (about 25 games)
Neo Geo home system (50 games)
Turbo grafx 16 (about 50 games)
Japanese duo (10 games)

Nokia n gage 12 games
Neo geo pocket color 12 games
Watara Supervision 3 games

vectrex 6 games
aquarius 3 games
plus various old dedicated consoles and some neat handheld stuff

i own a ps1, ps2, and ps3 and owned a gaemboy color
my brother had NES, SNES, N64, Gameboy and has a PSP.

we still have the SNES and N64, but donated to the NES a long time ago :(