What and how would you an iPad Classic Car Magazine to be?

The Apple iPad is quite a famous gadget and after many companies missed the hype around the iPhone lots of media companies are investing into iPad applications to be part of the game this time. Wired for example set some sort of a benchmark.
As we are thinking about bringing a zwischengas-iPad-application sometimes during 2011 we are wondering what the features would be that iPad users would look for. Of course the App needs to make use of state-of-the-art multimedia, i.e. sound, video, images, but that's probably not enough. It must be more than a website with different navigation patterns and controls, right? But what exactly?