This may not be news to you, but I stumbled across a great website today. Since the Dashboard came to fruition, I have been searching for and downloading my widgets from the Apple website. Today I was searching for an iCal ToDo widget and I came across DashboardWIDGETS. They have some great content and news, as well as a searchable database of widgets. The added bonus is that they allow user comments, so it gives you an indication if the widget is any good. Take a look by pointing your browser to this great website.