I have a 3rd or 4th generation iPod (bought it about 2 years ago), but it's just about dead. I mainly use it for disk space for transfering files from my laptop to a PC.
But I did buy the shuffle, and I have to say, I was against it because of the no display, but I love the thing. I use it mainly when I'm walking around a mall, mowing the lawn, grocery shopping, or whatever. Love the thing.