for me it was the game gear. I also bought the dreamcast, but I bought it after it failed. Also what system do you think was the best that failed? ny opinion it was the virtual boy. the punches in teleoboxer felt like the fists were actually coming at you. Anyway I wonder why the ds didnt fail considering it was a new gimmick (like the virtual boy) and had a really weak launch lineup (possibly weaker than virtual boy with warioland).