We were curious. Puzzled, even. Why would Apple go through the trouble of completely redesigning the original iPad Dock—an accessory that is actually physically compatible with both the iPad and iPad 2—to release the considerably larger and even less compatible iPad 2 Dock, which is physically incapable of making an electronic connection with the iPad, and now has too little space to work with even slender iPad 2 cases? We posted a Backstage…