Ungghhh....I'm still not sure about flat and threaded. The way I see posts (I THINK this is flat but please kerrect me if I'm wrong), they all show up on a page that I scroll down through - each post, along with who posted it. When I do a search and the results are returned, they show up in a long list of posts, with the relevant post in full at the top and the rest just indicated by their headers. Is that threaded?

I wish I understood....