It's
where now? (I've seen that message in the past, but I don't recall on which page, and clicking around it doesn't appear.)
Anyhow, the quickest way to get to zero-reply list is probably via the
Zero Reply Threads link under the
second Main Manu section. (Depending on your resolution, it may require a page-down to be visible.)
Oh and if you (or anyone) has something constructive and unique to add to a thread, don't be afraid do so regardless of any existing posts - sometimes it doesn't even need to be unique - just rephrasing what someone has already said can help others understand.