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

Morning Computer - One of Warren Ellis' sites (also, sign up for the newsletter!)

Austin Kleon -Austin Kleon'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.

BruceS -Bruce Sterling's tumblr

Women Write About Comics - Pretty much what it says.

Bailey Poland - Bailey Poland's suite.io blog which vehemently resists letting me add it to Feedly.

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.