Daily : Somethingawful Forum, my Tumblr feed, Newspaper on iPad.
Weekly : A bunch of design feeds : Abduzeedo, Minimalmac, Bornrich, Joshspear.com, We Make Money Not Art, Changethethought, Yummy fresh grain feed!
Monthly: Zen habits, Stepcase lifehack, Freelanceswitch, Lost Garden, Wired iPad app.