The iPod charges from your computer's USB or Firewire port depending on the model so no charger is needed.
They are really easy to use. Just plug the iPod into your computer and iTune's playlists are synced with the iPod while it also charges it.
More info on iPods
http://www.apple.com/ipod/
If you
get one of these you can also stream itunes to your home music system.