In VS.NET 2010 Team Suite Beta-1 offers new feature called visualize code dependencies by Assembly , Namespace and class. to generate Graphical view of code dependencies click Analyze menu and click Visualize code dependencies then select the options you want as shown below.
Here is the Visualize code dependencies by Assembly for my project MVCApplicaiton1 .
using visualize code dependencies we can even find out Circular Reverences, Unused References, etc…( see the Legend)
I think this helps if new developer joins the Dev team he/she can easily understand components of each Modules and how it gets refinanced to others projecta or classes,and also this helps the new team member to understand the application very easily and start working straightway .