For those keeping track, US color/shell variants (available at retail) so far, not counting editions with differing faceplates (for 360) or custom etchings (PS3's had a few)... I did mention if it was introduced as a bundle though.
Xbox 360
- white
- black (Elite)
- green (Halo 3 edition)
- red (RE5 bundle)
- black (S)
- silver (S, Reach bundle)
PlayStation 3
- black
- steel (MGS4 bundle)
- black (slim)
Wii
- white
- black
- red (NSMBWii bundle)
...and Japan variants...
Xbox 360
- white
- black (Elite)
- green (Halo 3 edition)
- red (RE5 bundle)
- black (S)
- silver (S, Reach bundle)
PlayStation 3
- black
- silver
- steel (MGS4 bundle)
- white
- black (slim)
- white (slim, FFXIII bundle)
- blue (slim, GT5 bundle)
Wii
- white
- black (MH3 bundle)
- red (Mario Anniversary edition)







