there are a few blogs i read all the time.  most are geeky photo industry stuff:

http://www.stockphototalk.com/ 
very much the go to blog for stock photography breaking news and info.  i dont read it everyday but if you want the crash course in stock, this is the place.

http://strobist.blogspot.com/  
most photographers all know this spot as the learning resources for strobe lighting.  i especially like the videos...always interesting to see what people are doing.

http://www.thefstopmag.com/
a great resource for gaining a little insight to some really amazing photographers.  always interesting work featured and great interviews of the artists.

http://www.ronshoots.com/
a day in the life of down to earth friendly stock long-timer, ron chapple.  i always learn a little something something.

http://www.nickonkenconnection.com/shoptalk/
pretty cool industry stuff, great images

http://www.aphotoeditor.com
an inside look at the other side of photography.

http://news.auroraphotos.com/
i am an aurora contributor and very proud of it, see the news blog above and you will see why, they kick some ass on the photography talent.

http://www.chasejarvis.com/blog/
if your not aware of this guy, you live under a rock.  the blog is some great industry insight from photography business savvy chase.

http://www.theparisblog.com/
just because i love paris.