I was really into the space shuttle--I used to build models of various proposed space shuttles when I was a teenager into model rocketry. At the time of the disaster, I had found my way into a program in the psych department at the local community college that tried to study the effects of living in enclosed spaces by using a space shuttle mockup built out of plywood, TV monitors, some Atari 800s and electronic hardware from the surplus yard down in Taunton. It was very not realistic, but at the same time not bad--apparently it felt very convincing to the people who were in it.
So needless to say, we were all pretty wrecked. I don't know how many times I watched the explosion on the instant replay, but it was a lot. Lots of crying, very maudlin, but on the other hand the lot of us were able to hang out together and grieve with people who got it. Looking back on it, it's a funny coincidence that we were all there when it happened, but we were.