Recently we announced the availability of Visualization and Modeling Feature Pack for MSDN subscribers which complements the Architecture tools in VS2010. There is great C/C++ code visualization support in there. Read a blog post by Somasegar here: http://blogs.msdn.com/b/somasegar/archive/2010/06/17/modeling-websites-and-native-code.aspx

Thanks,

Vikas

VC++ Team.