Watching this in the theater in 2006, I was sure that "You Know My Name" by Chris Cornell was my new favorite song.
Turns out, I only listen to it when I watch Casino Royale, but it still might be my favorite song, if only because it's attached to this movie.
I think I like Skyfall more than this, overall, but this movie was formative for me, and it has aged incredibly. (Might be coming back to update my review…