More adventures in broken Mac toys

The Shuffle has apparently just died dead for no particular reason. No life signs in either Mac. This ain't good. Now to see if I can find my receipt... grunt.

I don't think I'll bother swapping it for another if it really is dead; why pay $100 for something that appears to have the lifespan of a five-dollar Staples-checkout-counter USB keychain? Too bad.

Update It's working now. The hell? Loose battery?