Can you tell what is wrong with this picture?
What about this one:
The first picture is the new project dialog of visual C# 2008 Express Edition, and the second one is a C# project in Visual C# express, which I am working on, if you are very good at spotting missing things you would know by now that in both cases, the picture is missing the unit test projects.
Unit test is as important in SDLS as it is debugging and as well as requirement and analysis, but luckily there are Unit testing frameworks that can be used with the Express editions of visual studio, such as NUnit.
Here is an example about Setting up NUnit for C# Unit Testing with Visual Studio C# Express 2008