And my thinking is that setting up a forum where threads could be marked "closed" or "done" would also allow the searcher to specify "only open threads" when looking at the coupon threads. Just seems like that could be very useful when looking at coupons. Supposing that posters could be relied upon to mark threads closed when expired.
Hmmm, maybe dave could set it up so that the original poster would be required to include an expiration date on the thread, so that it would automatically be marked "closed" when that date had passed? Easy peasey, right dave?