Download it today from here: http://www.codeplex.com/Silverlight
Yesterday, the Silverlight Oct 2009 Toolkit was published. Here are some of the most important updates:
Visual Studio 2010 support
All Toolkit controls now works on the new fully intereactive design surface in Visual Studio 2010.
Drag and Drop support for Controls
You can now drag and drop controls for ListBox, DataGrid..etc.
Charting is no longer sealed! You can now inherit from our charting framework and extend as you need it.
We also invested in bugs for this release as well.
So.. why are you still reading this? Go check it out!!