YORF
O'Reilly Safari books (tech library)
many blogs too numerous to mention using Google Reader, but a few highlights:
Dick Stafford's blog, (rocketry)
Charles Petzold's blog, (windows, music)
Mark Evanier's blog, (hollywood, animation)
Ken Levine's blog, (hollywood, baseball)
Scott Guthrie's blog, (Microsoft VP)
Michael Covington's blog, (AI, Astrophotography, old friend)
Joel Spolsky's blog (IT thoughts)
John K.'s blog (animation, ren&stimpy creator)
Jackson Publick's blog (animation, Venture Bros creator).