you cant go wrong with either, dell makes a great music player and so does apple. oh yea the new ipod only plays shows and clips. you cant put actual movies on it and the screen is a bit small....
i had the same question and i went with the k2s because they are a good ski and alot cheap. the public enemy also seemed better for doing all mountain than the madtrix. one of my friends had heads 2 years ago and k2s this past season and he told me to go w/ the k2's