Over at the TIRC list, there is a fantastic discussion going on about the local music/punk/hardcore/new-wave, etc. scene going on. Not sure if that link will let people view them all (or if you need to join), but it's well worth signing up even to lurk and see what happened back in the day.
And been meaning to post about this, the Saint Louis Flyer Project on Flickr. It's also a pretty great snapshot of what used to go on around town. Shows like this: