Non-inclusive and subject to change.
Joe Hill Fiction - Joe Hill's blog
File770 - Mike Glyer's SF news blog
Whatever - John Scalzi's blog
Hyperbole and a Half - Allie Brosh's bit of brilliance
Charlie's Diary - Charlie Stross' blog
Rejectmentalist Manifest -China Mieville's seldom-updated but worth reading weird blog
Chocolate and Vodka - Suw Charman-Anderson's blog
Tricia Sullivan - Tricia Sullivan's blog
terribleminds - Chuck Wendig's blog
Penny Red - Laurie Penny's blog
Neil Gaiman - Neil Gaiman's journal
The Kitten of Discord - Laura Shortridge's blog
Matt Haig - Matt Haig's blog
Grant Morrison - Grant Morrison's site which sometimes works like a blog.
The Jeremy Clymer Internet Multimedia Experience - Jeremy Clymer's blog
BruceS -Bruce Sterling's tumblr
Women Write About Comics - Pretty much what it says.
KRTS 93.5 - Live stream of KRTS, Marfa, Texas' public radio station. Not an RSS feed at all, but there's some good listening to be had when I'm not actually in Marfa.
Rob D'Amico - Austin writer and frequent traveler to the best parts of Texas.