I cannot and would not close this board. I can lock this thread though. I assume that's what you meant. I don't see the sense in locking it though. It kind of annoys me that so many people want threads locked when they have their questions answered. It'd be just a simple to let the thread die and/or allow others to post similar questions or elaborate on the answer.
Several functions, such as posting new threads, aren't immediately available to new members. It makes sense for deleting message to be a privilege so that new members aren't spamming and then deleting posts just to get a high post count or simply because they are immature. I wish we had some sort of thumbs rating like YouTube comments or Karma like Slashdot.