> Anyone know of a tool that follows all links on a website, similar to
> the W3C tool, but instead, looks for off-site links?
er, 'follows' how? a link checker, like Xenu's?
http://home.snafu.de/tilman/xenulink.html
or are you looking for advanced search/replace capabilities?
http://www.funduc.com/search_replace.htm
joel