>>6140506They weren't advanced, they were basically the totality of the tech at the time. Everything that GI Joes did was something that was used or done before, maybe not all at once.
I think their COPS line was a little more advanced, in that it was one of the first ~6" lines.
Advanced would be pushing the tech forward, like McFarlane or Toy Biz did with more paint, more detailed sculpts, and more articulation.