I wasn't really interested in covering this horrible news, but since so many others are talking about it, let me direct you to their blogs:
Erkan's Field Diary: We are All Armenians Today!, 62nd assassinated journalist, Fury in Turkey at Editor's Murder, A beautiful human is murdered here!, Hrant Dink is assassinated
The White Path (Mustafa Akyol): I am Armenian Today
The Infidel: Obituary: Hrant Dink (1954-2007)
Talk Turkey: Hrant Dink & Turkish Taboo
Turkish Torque: Thousands of Turks March to Protest Dink's Murder, Hrant Dink, 1954-2007, What did Turkish Columnists write about Hrant Dink's murder?
Mavi Boncuk: In Memoriam Hrant Dink (1954-2007)
James In Turkey: In a crowded street, on a busy morning
Turkish Digest: Visit here frequently for all the latest news feeds from Turkish news groups. The latest entry at TD indicates that the murder suspect, Ogun Samast, has been identified and arrested.