So far I have come up with the below after looking around in preperation for my copy to arrive.

Dashboard Widgets

Sites
- http://www.dashboardexchange.com/
- http://www.dashboardlineup.com/
- http://www.dashboardwidgets.com/
- http://www.vanillasoap.com/widgets.html
- http://www.thedashboarder.com/

Widgets
- GMail Checker: http://www.dashboardexchange.com/wi...&cat=509&page=1
- Quicktime: http://www.dashboardexchange.com/wi...&cat=515&page=1
- Dash Monitors: http://www.gauchosoft.com/index.pl?...Dash%20Monitors
- Yell.com (UK): http://www.dashboardwidgets.com/sho...ils.php?wid=138
- Gmail Checker: http://www.dashboardwidgets.com/sho...ils.php?wid=116