If you are like millions of Americans, you own an Apple iPod or iPhone; probably even both. My own collection includes an iPhone 3G, iPhone 3GS, 32MB iPod Touch, 2G iPod Nano, iPod Classic and two iPod Shuffles. This may sound excessive, but each serves its own purpose and I get a discount on these things, so it’s not as bad as it could be.My friends are envious of my Apple collection, but not because of the number of toys I own.  What they’re jealous of is the pristine shape my iPods and iPhones are in, despite regular use. No scratched screens, no scrapes on the case, any gouges or markings of ...