I don't suppose anyone has written up the specific differences between Boost libraries like regex, bind and shared_ptr and their TR1 and C++11 counterparts? It would be great if the maintainers of libraries that were accepted could add a FAQ about that. -- Dave Abrahams BoostPro Computing Software Development Training http://www.boostpro.com Clang/LLVM/EDG Compilers C++ Boost