When I was between 6-8 I started on the NES playing Super Mario Bros., Duck Hunt, Castlevania, a football game, and Teenage Mutant Ninja Turtles among others...my parents eventually sold my NES I think, it wasn't until around 2000 that I got my GC and became a real gamer, playing and owning more and more GC games, then branching from Nintendo, I recently got my own PS3, while borrowing or playing with my friend's X360's and my girlfriend and her Bro's Wii while I was at college...
I would have to say that I didn't lose it until 2000 because I was a kid just playing video games, not the true gamer I am now, and I've defiantly come a long way from the kid who loved to play anything to a man who tries to be over analytical with games nowadays...