A number of the Microsoft Virtualisation presentations at ITForum have been posted to TechNet Showtime. These provide a good overview of two virtualisation technologies (machine and application virtualisation);

An Overview of Microsoft's Vision for Virtualization
http://www.microsoft.com/emea/itsshowtime/sessionh.aspx?videoid=337
Rajiv Arunkundram, Product Manager, Windows Server Marketing, Microsoft

In this session we focus on virtualization technology and we offer an introduction to Microsoft Virtual Server 2005 R2. We also outline Microsoft's vision for the technology over the next few years. This session provides a high-level overview of the different solutions that you can implement with virtualization.

Transitioning to Windows Server Virtualization
http://www.microsoft.com/emea/itsshowtime/sessionh.aspx?videoid=343
Mark Kieffer, Group Product Manager, Windows Core OS Team, Microsoft Corporation

Join this session to learn more about Windows virtualization, a new technology in Microsoft Windows Server code-named 'Longhorn'. We introduce the key scenarios for Windows virtualization and new features and improvements in Microsoft Virtual Server, including better performance. Find out how you can start adopting Microsoft Virtual Server today and transition to Windows virtualization by leveraging the unified format.

How to Virtualize Infrastructure Workloads
http://www.microsoft.com/emea/itsshowtime/sessionh.aspx?videoid=348
Robert Larson, Architect,Microsoft Services

Join this session to learn about virtualization of infrastructure workloads such as Active Directory (AD), file and print, Web servers and the benefits of mixed workload virtualization. We discuss details, tips, and tricks for creating an effective virtualization environment. During this session, we walk you step by step through the process of planning, deploying, and managing a virtual environment for infrastructure workloads.

Using Application Virtualization to Decrease Your Application Management TCO
http://www.microsoft.com/emea/itsshowtime/sessionh.aspx?videoid=361
Bill Corrigan, Director of Project Management, System Center Marketing Team, Microsoft
Chad Jones, Group Product Manager, Windows Client Virtualization, Microsoft

This session will introduce the newly acquired SoftGrid, an exciting new technology that has proven to reduce customers' application management costs by upwards of 95%.  This session will give the attendee a strong overview of the application virtualization and streaming technology and how it can be used to augment existing systems management infrastructure.  We will share real-world case studies and demonstrate the Softricity products working in conjunction with other Microsoft technologies, including Active Directory, Terminal Services and Systems Management Server.