Hehe, you should watch more films with Alain Delon. He wasn`t only beautiful, but could also act! 
The film is really cool, and I enjoyed it immensly when i saw it the last time. 
And you should follow Trevor recommendation. If you liked "Le Samourai", "Ghost Dog" may also be your cup of tea (if you don`t have problems with Jarmusch, that is ).

Le Samourai really succeeded in creating a unique atmosphere. I also liked the cinematography and the editing very much.
One scene still sticks in my head after all the years. When Delon enters his apartment, and notices that something`s wrong because of his bird. That look upon Delon`s face has stayed with me...