Is there any archive of the various data items from the widget (or http://bgp.he.net/ipv6-progress-report.cgi) over time?
It would be interesting to see graphs of these items for trends.
Some of that sort of stuff is available here:
http://inetcore.com/project/metrics/index.html.en (http://inetcore.com/project/metrics/index.html.en)