The 2006 world record was beaten twice in 20 minutes at the Topsfield Fair.
The Big Pumpkins web site for results of weigh-offs is:
http://www.bigpumpkins.com/ViewArticle.asp?id=132
Mickey Mouse Sustainable Farming
http://www.inhabitat.com/2007/07/26/mickey-mouse-sustainable-farming/
Human Faces on Pumpkins
http://blog.modernmechanix.com/2007/09/20/farmer-grows-pumpkins-with-human-faces/#comment-540053