Spencer, I picked up the PS2 one for 4 bucks from gamestop used for the burnout trophy. I used it once to earn the trophy and haven't touched it since. Honestly I don't even know where it is anymore. I don't think too many games support it, but it'd be nice if games like madden or the show could support putting my picture into the game for RTTS etc.
Honestly though, for EA's gameface stuff, you don't even need the eye. You can take pics of yourself with a camera and upload them to the website.