Check out this page where they have sound clips of sounds that make indicate a failing hard disk.
How cool is that?
On a completely unrelated note, I use my dictionary and my mp3 player more than my phone. Hrm. Laf. If I don't count checking the time on my phone as using it.
Random rant: Paypal's help section is poorly organized. Weak! Took forever to figure out how to downgrade my account to a personal account.