If you still have Visual Studio 2003 projects and you are just in the process of upgrading / modernizing them, then the following addin will be very helpful. Mike Meinz, took a very useful macro and package it as a VS 2012 addin
See: http://www.codeproject.com/Articles/528990/A-Visual-Studio-add-in-to-move-Windows-Forms-Desig
For us who each day move lots of code from Vb6 and VB.NET to MVVM. ASP.NET MVC, etc, this kind of tools become very handy.