Here is claim 1 from Apple's patent application.
1. An electronic accessory device, comprising: an operational component that provides an output to a user; a housing carrying the operational component, the housing having a recess; and a control interface coupled to the operational component and configured to receive a control signal from an electronic host device when the electronic host device is positioned within the recess and coupled to the control interface, wherein the electronic accessory device is inoperable without the electronic host device being coupled to the control interface.
Can you point out to me what are the "new things" in that? I'd say the Motorola Atrix fit every last piece of that. But Apple is claiming it as novel and asking for patent protection on it.