Those are great, go for it. Pick a few you feel strongly about and start a topic for each.
I like the "Where are they now" idea. Probably a lot of folks who were big posters years ago are still sailing, just not posting here like they used to.
There are so many exciting things going on at the top of the catamaran sailing sport with all the new foiling designs, Olympic boat, and the Nacra 15 Youth boat is really taking off.