My list: http://www.slightlyshadyseo.com/ http://www.seobook.com/ http://www.seomoz.org/blog http://searchengineland.com/ http://www.wolf-howl.com/ http://www.davidnaylor.co.uk/ http://www.stuntdubl.com/ http://massa.techndu.com/ http://www.johnon.com/ http://seoblackhat.com/ http://tropicalseo.com/ http://www.bruceclay.com/blog/ http://www.mattcutts.com/blog http://www.seobythesea.com/ http://www.irishwonder.syndk8.co.uk/