iBooks vs. Kindle: Battle of the iPad e-Reader Apps

Enough time has gone by now to get a sense for what the iPad can handle. I've had time to digest its offerings from the higher-resolution screen to the nuances of having a full-screen map to manipulate with my hands. Yet the major difference I wanted to explore right out of the gate are the reader applications. Device comparison and business strategy aside, I'm not seeing enormous difference in the app designs between the Apple-produced iBooks and Amazon's Kindle app--and that can mean...