ちょっと待った方がいいかも
Windows SDK v7.1 with Visual Studio 2010 Service Pack 1 ? Potential issue with x64/IA64 Visual C++ Compilers - Microsoft Windows SDK Blog - Site Home - MSDN Blogs
http://blogs.msdn.com/b/windowssdk/archive/2011/03/08/windows-sdk-v7-1-with-visual-studio-2010-service-pack-1-potential-issue-with-x64-ia64-visual-c-compilers.aspx
Visual Studio 2010 Service Pack 1 Issue Update
http://msdn.microsoft.com/en-us/visualc/gg697159