What anime do you suggest to someone who likes Deathnote?

Just an overal listing of anime I suggest ^^

Switch http://www.youtube.com/watch?v=VkSJMhZJPrg&feature=related (Kai Eto’s a rookie who just joined the Narcotics Control Division of the Tokyo Police. Very nice art and cool story)

Blood + http://www.youtube.com/watch?v=NUcOU5vaYkY (Saya Otonashi has been living the life of an ordinary schoolgirl but happy life is shattered when she is attacked by a chiropteran, learning that she is the only one who can defeat them. Nice art and storyline nice character build up)

Kuroshitsuji http://www.youtube.com/watch?v=yMfilmtjIYg (Butler Sebastian Michaelis serves Ciel Phantomhive, the twelve-year-old head of an English noble family and a toy and candy empire. Sebastian carries out any task required by his master while solving the problems plaguing England with ease and perfection, because of his demonic lineage and Faustian contract with his master. Very very nice art, nice voices, waiting for season 2)

Trinity Blood http://www.youtube.com/watch?v=__4PiVKMuAQ (http://en.wikipedia.org/wiki/Trinity_blood Very nice art, complicated storyline but with a lot of episodes.)

Monchrome Factor http://www.youtube.com/watch?v=SLHnxM0lE3Q (The story revolves around the high school student Akira Nikaido he meets the mysterious Shirogane, a man who suddenly appears and tells him that they have a destiny together. He gets attacked by a shadow monster. Shirogane convinces him that the balance between the human world and the shadow world has been distorted and that Akira must become a “shin”- a creature of the shadow world- in order to help restore the balance. Nice art in the anime, not so much in the manga interesting storyline)