Game Boy with Tetris, only one color at the time.
Game Boy Pocket, only one color at the time.
Game Boy Color, solid purple, clear purple is crap
Game Boy Color, bundled with Pokemon Yellow. Pika!
Game Boy Advance, import, white.
Game Boy Advance SP, Silver.
Also thrown in the mix...
Super Game Boy
Game Boy Player, import, Spice.
Only missed Game Boy Light, and Super Game Boy 2, neither were released in the US.