$100 Challenge: Build this system

The Challenge:
A friend wants to put together a system and doesn't want to spend more than $100. In short, how would you do it in order to get the best sound for this budget?

The Details:

She wants to be able to listen to music in multiple rooms throughout her apartment. Loud enough OR portable enough.

Capabilities should be CD and radio.

She does not have any sort of speakers whatsoever.

She has a laptop, an Ipod, and a small collection of CDs. That is it. (My first thought was that she should incorporate the computer into it in order to fall under budget, but this could also be accomplished with the Ipod.)

I think that is it. I have a few options in mind, but I'll keep them to myself at this point. I want to hear how you all would go about it.

Thanks!

-dan