Hi. I'm intending to buy Audio Technica ATH-M50. I currently own a Sansa Fuze. Will the Sansa Fuze sound quality limit the ability of the aformentioned headphones? If so, I would like a recommendation for an mp3 player with a sound quality that will use the M50 to its fullest. I don't need it to play vids or pics, no additional unnecessary functions. Just music and sound quality. Thanks.