Quite a few new interesting updates:

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=413E88F8-5966-4A83-B309-53B7B77EDF78&displaylang=en

From the site:

Some of the specific changes with the April update of the training kit includes:

· [New] Authenticating Users in a Windows Phone 7 App via ACS, OData Services and Windows Azure lab

· [New] Windows Azure Traffic Manager lab

· [New] Introduction to SQL Azure Reporting Services lab

· [Updated] Connecting Apps with Windows Azure Connect lab updated for Connect refresh

· [Updated] Windows Azure CDN lab updated for CDN refresh

· [Updated] Introduction to the AppFabric ACS 2.0 lab updated to the production release of ACS 2.0

· [Updated] Use ACS to Federate with Multiple Business Identity Providers lab updated to the production release of ACS 2.0

· [Updated] Introduction to Service Bus lab updated to latest AppFabric portal experience

· [Updated] Eventing on the Service Bus lab updated to latest AppFabric portal experience

· [Updated] Service Remoting lab updated to latest AppFabric portal experience

· [Updated] Rafiki demo updated to latest AppFabric portal experience

· [Updated] Service Bus demos updated to latest AppFabric portal