It's really tempting. As far as devices go, iPhone 3G is the best there is. It's a generation ahead of its competitors, and the gap is growing. The app store is great for both developers and for its users. But I'm not gonna get one:Amazon MP3. Lots of good songs with no 'deregister this computer' nonsense. But Amazon MP3 cannot compete with iTunes on Apple's platform—third party apps can't download while I surf the web. ...