Here's another link, but this one is dated earlier this year, not shur that if it is the most current. He indicated that he has posted the latest version to the boost::vault. I'll email him to try to get the full URL. http://boost-consulting.com/vault/index.php?&direction=0&order=&directory=Template%20Metaprogramming On another note, here is the link to the previous review-manager comments in June of last year (1995). This mini-review will build upon his review. http://lists.boost.org/boost-announce/2005/06/0066.php