Two that always stuck out for me, likely because they were such a large part of my childhood were these gems
I felt that the tone mixed well with the animation of the intro almost giving it a Noir feel to the whole thing, especially with the various plays on lighting that the intro does. Mixed it with something mostly instrumental in nature and you get an excellent theme song and intro video.
And
This one takes the same idea about mixing image and tone as the Animated Series did with Noir and instead applied it to a more cyberpunk dysopian future theme that the various electric sounds in the theme work well into supporting.