If you browse to http://learning.microsoft.com/Manager/Catalog.aspx?view=free you will find a number of free courses that Microsoft is offering via its inline learning centre.
Most are two hour courses and cover topics such as:
- Microsoft Security Guidance Training
- Getting Started with Microsoft Windows Server 2003 R2
- Inside Look at Building and Developing Solutions with Microsoft Office SharePoint Server 2007
- Introducing Enterprise Telephony Using Microsoft Office Communications Server 2007
- Introduction to Developing with Windows Presentation Foundation and Visual Studio 2005
- Understanding the Differences Between Microsoft SQL Server 2005 Standard and Enterprise Editions
- What’s New in Windows Vista
While we are on the topic of learning - checkout the Virtual TechEd at http://www.virtualteched.com/Pages/default.aspx
You can view WebCasts, Virtrual Labs, and Podcasts