Yeah, people still go nuts over those things. Some of the figures cost quite a bit nowadays. I know how ya feel though... I distinctly remember a yard sale where I sold my ENTIRE G.I. Joe collection (I think I was 14 or 15 at the time) for $50. This included one of my all-time favorite playsets:

I loooooooved how the middle opened up so you could make the Firebat fly out of it. It was so badass. Someday I'm gonna get 'em all back, but for now, I have no room for that stuff so I have to wait... and watch the prices rise.
Also, isn't it great how Serpentor is commanding the Drednok on the right to fire that gun even though he can't possibly see through that steel wall? Blind aggression! Cobraaaaaaa!