Just a concept here... I noticed that you guys do replace the document.history on a forum post with a page one back, so that if you go into a message, reply, and click back it takes you to Read New Messages. That's a good idea, and kudos on it. It makes the forums easier to use because you don't have to hit back or follow an explicit link to go back to Read New Messages in one click. I'd like to suggest a tiny addendum to that, though. Add an arbitrary bit of query string to the history, just a random number, so that the browser will be forced to refresh Read New Messages or the thread itself (whichever you go 'Back' to). Just append a &random_number to the query string of the history[1] so that when you click back the Read New or the forum itself refreshes. That'll make it so you see any messages posted during that time. It will also cut down on what we call Xposts here (posting while someone else is posting, which of course has nothing to do with Xposts in usenet, because you can't post to two forums) because you'll see new posts more often.