The iOS 5.1 beta code includes mention of a new iPad 2,4 model, a new iPhone 5,1, and a J33 device codename that has been identified as pointing to a next-gen Apple TV. Apple's clearly laying the groundwork for the inevitable refresh of its wares with the latest software. The question now is when the corresponding hardware update might happen.
Apple isn't just preparing for new iPads and Apple TVs with iOS 5.1, there's a new iPhone on the block too.
The next Apple TV's codename is J33, according to code discovered in the iOS 5.1 beta release.
iOS 5.1 beta is now seeding to developers, and it mentions a new iPad model: "iPad 2,4"