I've always thought that the deaths of Finrod Felegund and his companions in the captivity of Sauron was rather awe-inspiring. Just imagine, sitting in the dark, knowing that you will eventually be eaten unless you tell everything you know, and still not saying anything! Simply amazing.
The death of Fingolfin has cultivated a rather odd thought in my head. It says that Morgoth struck him multiple times with his mace (I think...

) I now think of Fingolfin being crushed, then popping back up again, like you would see in a cartoon. I feel bad about thinking like that about his heroic death...