Jonathan, Drew, Jason and Brian have just shipped the final release of the .NET 3.5 Enhancements Training Kit, updated to work with Visual Studio 2008 SP1 & .NET 3.5 SP1 Beta RTM! The RTM release includes the following improvements/additions in the form of demos, presentations and documentation :-
This is also great content for community event such as (i.e. code camps, user groups) that focused around .NET 3.5 Enhancements as well as content for any developer wanting to understand SP1 and the enhancements in more detail.
You can download Visual Studio 2008 SP1 RTM here.
You can download the training kit here.
Please let your communities know about the training kit. You can link to Jonathan's blog post here.