After you said that you had written "positively the last word on iPod batteries (unless someone discovers that iPod batteries can cure cancer, transmute base metals into gold, or levitate frogs)," I couldn't help myself. Mosey on over to http://www.people.fas.harvard.edu/~mdmalon/images/levitation.gif to see the Neil Gaiman iPod Special Edition.
So I went and looked. You should too.