I do a lot of cross platform portable work.
That means I have to work on WIN32 with WIN32 programmers.
There are a lot of things about visual studio that are warm and fuzzy. Having to go through the solution/project conversion wizard for each solution in a large multi-solution projects isn’t one of them.
Batch Conversion of Visual Studio 2005 Solutions to Visual Studio 2008 Solutions
I now have a perl script that runs devenv /Upgrade SOLUTION.sln for me over a large code base.
I knew /Upgrade had to exist, I finally found it this morning