During the recent MSDN Roadshow events, we have concentrated on the up and coming technologies that you can use as building blocks for your applications.  The most common questions we get beyond those are about Visual Studio Team System: hence this post which is a collection of useful resources for you:

General Information about the product can be found here:

Visual Studio Team System Homepage and Team Foundation Server Team Centre

If you need to persuade developers then check out this article:  Get All Your Devs In A Row With Visual Studio 2005 Team System and then point them at these video resources to ensure that they can see the features for themselves.  You'll also find this developer team centre will help them too.

Of course one of the major changes with Team system is how you can bring other roles into the development system so check out the specific resources for the other folk:

Database Professional

Software Architect

Project Manager

If you are already active with the products then the Team System Forums are always useful and some of the most useful blogs are: Rob Caron, Brian Harry and the general VSTS Blog.