Back on topic, yellows8 at least has a private exploit for the browser that he's working on, which means he's making progress on it with him updating this.
http://www.3dbrew.org/w/index.php?title=Internet_Browser&curid=142&diff=13299&oldid=12940
http://www.3dbrew.org/w/index.php?title=Internet_Browser&curid=142&diff=13299&oldid=12940