Yeah we have but since i still dont know the reasons behind how he turned into a goody two shoes i cant judge. i guess it depends on how its done which decides if its a cliche or not. And besides all mainstream anime and manga has been very cliche for the last 2 to 4 years anyway.
Am not gonna say originality is dead because i dont believe in that, but i dont think the japanese can afford it anymore xD
And yes deathnote is not original k? just wanted to state that before someone tries to bring it up as an example