The following sites are a great source of bread information:
http://www.thefreshloaf.com
http://www.sourdoughhome.com/
And here are some blogs that write quite a bit about bread:
http://www.breadcetera.com
http://www.pinchmysalt.com/
http://ayearinbread.earthandhearth.com/
http://food.laurieashton.com/
http://www.chow.com/blog/food-media/
http://www.chow.com/blog/food-media/