http://www.anandtech.com/cpuchipsets...spx?i=2149&p=8
I want you to stay on the page for a minute or two, as if you were reading the article.
What I experienced was the popup blocker doing it's job once (with the custom sound file I use) then all of a suddent a torrent of popups came up.
I want to see if anyone else gets it, and if so I think they've cracked Mozilla's popup blocking.