Yep. Troubles posting last night, especially if my response was using the "Quote" button to reference someone else's previous post; end up getting some sort of lame, "Your session has timed out..." etc., etc.
So, once you've written your post, the trick is to first hit the "Preview" key. Once that's loaded, then hit the "Post" key and it should go.
'
Should ' being the opperative word here