Reference posters for the default keybindings in Visual Studio 2010 for Visual Basic, Visual C#, Visual C++ and Visual F# are available from Microsoft at
http://www.microsoft.com/download/en/details.aspx?id=13189
Here is the one for C#
VS-KB-Brochure-CSharp-A4 (pdf file)
and one for C++
VS-KB-Brochure-CPP-A4 (pdf file)