The US ISV High Potential team recently hosted a WebCast that focused on helping ISVs take advantage of the many performance related features available in SQL Server 2005.  This webcast is not available 'On Demand' via the following link:

There were a number of compelling demonstrations during the webcast.  The scripts and information for setting up demo database are also available at the followin link:

If you have an idea for a topic for a future webcast you would like to see us put together, feel free to leave a comment!