I've come across a few threads that do seem to be a journal for one member. Perhaps it is a good idea because, if you find someone who has tinnitus which is similar to your own then you want to read more about what they've tried, what's been successful for them and so on. The supplements and drugs thread would be useful too.
It's hard to 'find things out' at the moment in here so anything that makes it simpler must be good.