The TTV message boards, with 4000 some topics and alotta posts.
If you consider yourself an active user on this site, it's important that you read everything.
It is by no means something you have to do, but it can be very helpful to do so. How could it be education you ask? If you read everything, you'll be the one to see the newest posts first- First to flag double posts, first to see the newest leaks that get linked here, etc etc.
Finally- you might think you already do read everything. Infact some people do, however the majority don't. So here are 2 simple steps to change your settings so that you can see everything you haven't read: