does anybody know the difference between these who?

An ipod is just an overpriced, underfunctional mp3 player.

the Ipod is like a mini copmuter that holds a ton of mp3's

an mp3 playing deck will play mp3 cd's

mp3 is a music file. An ipod is an mp3 player. It just holds over 5000 songs. Most mp3 players only hold like 40 songs. The dell jukebox is a better deal, i have one