Bunch of new tutorials available for using the controls in the ASP.NET AJAX Control Toolkit. If you're not using these controls, you're missing out on a great resource for speeding up your AJAX development:

Welcome to a series of tutorials that will explore techniques for implementing the different controls in the ASP.NET AJAX Control Toolkit. These tutorials are geared to be concise and provide step-by-step instructions with plenty of screen shots to walk you through the process visually. Each tutorial is available in Visual Basic and Visual C# versions and includes a download of the complete code used.

AJAX Control Toolkit Tutorials : The Official Microsoft ASP.NET Site