Strobist.com : flash techniques, a few reviews, and more! I look at this one almost every weekday.
Bythom.com : Nature shooting and lens reviews, as well as some good 'practical photography articles and posts
Chase Jarvis's blog : tips and motivation from one of the best lifestyle shooters.
Vincent Laforet's blog : A very good photojournalist turned videographer. Mainly HD-DSLR video stuff on his blog recently.
Mansurovs : very good blog posts and reviews. Many of the posts mirror what I'm trying to accomplish photographically and blographically.
Damnuglyphotography : This guy (Brad Trent) does both really important executives, while still making the time for startup bands. Also really good music from time to time.