[VBUsers]

or this one is cool if you dont want to delete members and just keep em out

This mod basically locks a newbie with 0 in post count
from opening any other forums than your "newbie forum",
or introductions forum.

PHP Code:

####################
# forumdisplay.php #
####################

########
# find #
########

if (!($forumperms & CANVIEW))
{
    print_no_permission();
}


#############
# change to #
#############

if (!($forumperms & CANVIEW) OR $bbuserinfo['posts'] <= 0 AND $forumid != 18)
// change 18 to your forum id
{
    print_no_permission();
}


################################
# change 18 to your n00b forum #
################################