Sites like this live and breath by their users.
Sometimes, when you have a good idea for someone else to do, that someone may be YOU!
So, anyone with good ideas that haven't been done, I'd say, just do 'em if nobody else has.
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This site has turned out to be mostly about three things, as far as I see:
1. Music, specifically the use of synthesizers or older software and hardware with such.
2. Running MacOS 9 on hardware it may not have been intended for.
3. "I'm having a problem with SUCH-AND-SUCH, has anyone else?"
(not in that particular order)
Which is actually pretty cool, even if not, exactly, the original vision.
The content that is here is there because it is what users actually want.
It is hard to go through this, and any other similar forum, because a lot of times the info IS there, but spread out over multiple posts, or a decade old.
So summaries, or new documents are great ideas. None of us has enough time to do everything. If you DO have time, consider creating what is missing.