-ASP.net Ajax Control Toolkit 10920 released: a new version of the Control Toolkit was released today. Like always, you can download the bits here on CodePlex. A nice write-up on the changes can be found here.

-Silverlight tutorials: on www.designwithsilverlight.com, there's a list of cool tutorials on Silverlight.

-Silverlight Spy: this really is a great find! This app let's you take a peek inside your Silverlight applications. It's free and can be downloaded here.
From the site: Silverlight Spy is a small WinForm application capable of inspecting Silverlight 1.0 applications. Using the built-in web browser you can navigate to a webpage containing Silverlight objects. The application automatically detects any Silverlight objects and populates it's XAML object explorer. Silverlight Spy works with any web page hosting Silverlight 1.0 content, just point the browser to the page and let the Spy figure it out.

-Photo Carousel: a great series of Nikhil Kothari on building a photo carousel in Silverlight with Script#. Part 1, part 2 and part 3 are available.

-MSDN magazine October: the new issue of your favorite magazine! Get it for free here.