UK supersite - to grass roots collective wisdom?

Courtesy of my favourite ALIA columnist, Kerry Webb is the UK government portal http://www.direct.gov.au. A seemingly good balance between services of all levels of government and the needs of different sectors.
And from the other end of the scale of Internet resources is an article on social bookmarking, a good exposition of this fairly recent phenomenon of shared categorisation of Internet content.
http://www.sitepronews.com/archives/2006/mar/22.html