The hottest-chilli crown has changed hands again - we're up to 1.5M Scoville units now.

http://www.monstersandcritics.com/news/asiapacific/news/article_1643932.php/Taiwan-man-claims-to-have-grown-world-s-hottest-chilli

It would be interesting to know how many of these recent varieties are stable, i.e. not hybrids that will revert and need the F1 treatment each year (provided the parent plants are known). 

Wed - June 8th update - some pictures, but still no name for the chilli:

http://whatsondalian.com/news-1002-taipei-farmer-yeh-wu-shun-to-debut-world-s-hottest-chilli-at-chilli-eating-contest.html