Many times I've seen a web site undergo a revision and everything is brand new, even brand new links!You've worked so hard to get those great page ranks for all your pages and then you get rid of them? NO NO NO.It's the same reason why people buy "expired domains". Simply because before search engines, directories & web sites have a chance to notice there is no anymore, someone simply changes the site to fit their needs and utlizes the traffic coming in!Let's say that you've made up your min.