Multiple Solutions and Flat Projects
Graham Barry, one of the key VSTS members helping us pave our paths through Team Foundation Server, shared a model he likes to use. He uses multiple solutions, but with a flat project list:
/Source
/WinFormsProject
/WebProject
/WindowsServiceProject
/ClassLibrary1
/ClassLibrary2
/ClassLibrary3
Web.sln
Service.sln
All.sln
It's flat, but effective. You get flexibility and you avoid baking in a folder structure than can be tough to change. You can also spin up solution files for presenting different working groups of the projects as you need them.
