I am just getting into the practice of throwing a couple of high authority .edu and .gov backlinks into the mix to ensure a variety. I was wondering about the following situation that seems to be coming up quite a bit.. Say a .gov blog has an overall PR6 but the actual page on that site where you will be commenting (and hopefully dropping off a sweet backlink) has a PR0. Good or bad? Is that PR rubbing off on me from the overall site score? One more question: If the blog disallows clickable links, does it do any good to drop your link in there as pure text? Any benefit?