http://soundcloud.com/thekraken/guile-theme
With the SF tunes I like to leave the melody and form more or less true to the source material. I try to leave my mark with the arrangement of the accompaniment and the rhythms. My goal is to allow the remix to stand on it's own but also be something that would work in the context of the game.
Two things I'd like to change/rework would be the intro and the melody instrumentation. I have the melody played w/ a small violin section and doubled (though mixed low) with marcato brass. I may thin out the reverb and spread the panning around a little more to make some of the more intricate parts more audible.