Ahh, a question I can answer, and add to my post count in the process. Double win.
Yes, a new member must have 20 posts before starting a thread anywhere but the Introductions forum. I believe it's designed to discourage the
drive-by spamming from marketeers and the like.
At this rate, I ought to have a new thread up by Halloween. That is, if I have anything thread worthy by then.