Originally Posted by
razorblade
It helps reading the rules before you choose to accept them on the forums. It has everything to do with the days you've been here, as well as post count.
Here is a little extra help and directly from the above mentioned 'rules' thread.
"-After you've been registered for 3 days with 5 non-deleted posts, you'll be able to see and post in the rest of the forums, as well as send private messages (PMs)."