Great essay here by W. Hunter Roberts on what she views as a new, angry, fundamentalist strain of atheism:
When did atheists become the new fundamentalists? I have known many atheists beginning with my wonderful dad, who insisted I not use the word "God" or pray at his funeral. But this new breed is different: closed-minded, entrenched, and bellicose, shouting and proselytizing their disbelief in the God of their fathers as determinedly and humorlessly as their forebears proselytized with such certainty for a definite, iron-clad system of punishments and rewards in a pie-in-the-sky afterlife. Why do these new atheists allow the Christian fundamentalists to define their reality? And why are they so angry?Read more at Huffiington Post.