i have a sansa, and it is easy to use because to put music on it, you plug it into your computer, then you just drag the songs you want on there to the list. the list is automatically on your computer.
when you want to play music, you hit the middle button or the right arrow to advance, and left to go back on the menu, and it is pretty self-explanatory. i learned how to use it by myself.
i got it from bestbuy for sixty dollars about a year ago, but i think it is fifty now.
it holds up to 500 songs