I really enjoyed watching both but I prefer Code Geass, I liked the story a lot more and Death Note got a bit dry after L died whereas Code Geass stayed an amazing show and I feel like it had a better ending than Death Note.
"Hope is what makes us strong. It is why we are here. It is what we fight with when all else is lost." - Pandora
"If history is to change, let it change. If the world is to be destroyed, so be it. If my fate is to die, I must simply laugh." - Magus