The site is not possessed, but it does have scratch marks on it's back! If you had done a "Remember Me" when you logged in, you should be able to get back in. Otherwise, you can't log in. If logged in, you can post, although you will get some error messages…you post will appear, though. After posting, you will have to "back-arrow" Do NOT reload the page when you back-arrow, or the post may duplicate. Even though the post does not appear when you back-arrow, it IS there, simply click on the thread name at the top to bring the page up again and you'll see the post.
The forum looks a lot less funky in FireFox than IE. Stephen is aware and is looking into it.