All nerds, for sure. I was young, so my idea of age was a bit off... but I recall them being from their mid-20s up to their 50s. Mostly in their early 30s, though.

I should also note - the person who handed most of his equipment down to me was also active on local BBSes, primarily focused on the gay community at a time and in a place where that was not a topic people were really allowed to discuss at all. He was a good friend of my mother's, and I didn't learn that about him until much later. He used to hang out on a BBS called "The Strawberry Patch", which was for those who were attracted to gay, red-headed men.

Yet another example where online communities can help people find "the others" to build their communities and find support.