Yeah - I can't make it happen again - created a thread in the TEST FORUM and tried to replicate - no luck.
The speed issues are really painful - took at least 25 seconds for this page to load from clicking on the "link" to go to the last post from the NEW POSTS page.
btw - I typed long enough for AUTOSAVE to flash - let's see if the pop-up happens now
[edit] - nope - no popup now either [/edit]
