I don't understand what the big thing is with the Gameboy Player. I bought a Gameboy Advance so I could play video games while on the go. My GBA gets more playtime than my Xbox and Gamecube combined because I'm never home. When I do get to play video games at home I want to play cool stuff like Metroid Prime, Animal Crossing, etc... I don't want to play the same games I play in between classes on a bigger screen...
I dunno, I have a friend who swears by it... Me, I can't see forking out $50 to play SNES quality games on my Current - Gen console.