I'm going to change the order the more I think about it, but off the top.

1. Last.fm

2. Pitchforkmedia

3. Stereogum

My favorites (in no order):

ReadJunk.com (sorry self-plug haha)

Prefixmag.com

BrooklynVegan.com

NME.com

RollingStone.com

Punknews.org

Stereogum.com

This is my daily rutine:

www.prefixmag.com

www.blogotheque.net

 www.last.fm

 www.pitchforkmedia.com

www.rollingstone.com/rockdaily

Prefix

Captain's Dead

Last.fm

All Music Guide

Pitchfork