http://www.buddhistgeeks.com/ a podcast/blog frequently updated with interviews with teachers from many different traditions.
http://blazing-splendor.blogspot.com/ Dzogchen related stuff. Doesn’t post very frequently, but great when they do.
http://zennist.typepad.com/ I pretty often disagree with him, but he always has an interesting point that stimulates reflection.
http://thebuddhistblog.blogspot.com/ just what its name says, a general buddhist blog.
http://www.lotusinthemud.typepad.com/ Pureland acharya also posts quotes from Pema Chodron etc.
http://www.tricycle.com/blog/ from the editors of the magazine.
http://luminousemptiness.blogspot.com/ lots of great Mahamudra quotes.
http://integral-options.blogspot.com/ posts frequently, not all directly related to Buddhism, but always interesting.