One of the hottest and newest blogs out there is:
What is io9 all about? Anything science fiction. How cool is it? Well, they're hip enough to recognize the brilliant genius of Flash Gordon: Savior of the Universe. And they are up-to-date on the latest movies coming out.
I've also started reading Smash Pass, an opinionated Judo/BJJ blog. How opinionated? Check this post out... Ouch, that last one kind of hurts. But I still like browsing through his old posts.