For those of you who like your directories, take a look at http://www.avivadirectory.com/strongest-directories/ It provides a list of directories ordered by the value they can provide to your site (as determined by SEOmoz's wonderful Page Strength Tool - http://www.seomoz.org/page-strength ). This is a great reference when asking the question "Is it worth my time/effort/money to get listed in this directory?". Aviva have some other good resources there too, so be sure to have a browse about their other SEO-related articles. Happy link building guys!