I just made another forum that requires 500 posts or special invitation, something like the board for Elders on i2.
Will that board have an enforcable rule, that what is posted on that board, stays on that board??
Pretty much, although it's more aimed at making giving a vain sense of speshulness rather than a place for serious talk. People who get invited will be mods.
In other words, a mixture of the elder/admin/general topic boards.