How will this work? I am assuming it will still function as a regular iPod. But when I plug my iPod (that is, one w/ music on it), in to someone else's laptop, it prompts me as to whether I want to associate that person's library w/ my iPod.

The gist of it is, if I have an iPod with stuff on it, and give it to someone else, they can't have my stuff. Their stuff will just overwrite mine. SO the first time one sync's this iPod, will they lose the U2 shit? The notion of a pre-loaded iPod doesn't make sense to me.