My iMac will be arriving soon, and I need a way to transport files to print at school. will the Ipod shuffle be able to do this? can I save a word file on my mac with the shuffle and take it to school and print from a Dell? that's my situation and a shuffle would be perfect if it could do that. Having never used a key at all, I also didn't know if I would have to install some kind of software for them to work on a PC.