Tarjuma-e-azaa, is new group blog of folks discussing the theme of mourning for Muharram 1428. And on her own blog, Brown Rab Girl Fish reflects on on Derrida, Hussein and Nusrat Fateh Ali Khan in It's Muharram.
RxPG News recently put out a story Muharram India has got Indianised over the years which was surprising (at least to me) about how even the Hindus in India were celebrating some form of Ashurah.
And in Grenada's past we also have:
more muharram posts
Finally, some general articles you might find topical are:
Islam Online: Al-Husayn: the Shiite Martyr, the Sunni Hero
Abu Ismael al-Beirawi: Lessons from the tragedy of Karbala