While evaluating Visual Studio 2010 Beta 2, I see that in the converted directory, my vcproj files became vcxproj files. There are also
It should not be added in case you use CMake (or similar build tools) to generate files like *.sln, *.vcxproj, *.vcxproj.filters etc., because this files may contain full path to your Project Folder and other only your computer's specific folders.
CMake
*.sln
*.vcxproj
*.vcxproj.filters