Shameless self promotion, but:<p>I use this keyword/tagging plugin that I made some time ago, and it visually highlights articles that are relevant to my interests.<p><a href="http://taitems.tumblr.com/post/312274510/hacker-news-tagging-plugin" rel="nofollow">http://taitems.tumblr.com/post/312274510/hacker-news-tagging...</a>