I'm pleased that he was caught, I'm neutral about his death.
Edit: Actually, I agree that he should have been tried at the Hague, and then either hanged like Saddam Hussein and all the Nazi and Yugoslavian war criminals (that have been found) or imprisoned.
1) Kill one man, and you are a murderer. 2) Kill millions of men, and you are a conqueror. 3) Kill them all, and you are a god.
Jean Rostand, Thoughts of a Biologist (1939)
Gadhafi, it seems, didn't make it to category 2).
This is how he treated 5 bulgarian nurses. He took 5x8=40 years of their lives.