Even though Apple has released iOS 7 beta out in the public for iPhone, it has not shown how it will look on the iPad. There is some ways on how you can hack the iPad’s simulator to see how it looks on Apple’s tablet. To that, copy.
Applications/iPhone Simulator.app/Contents/Resources/Devices/iPad (Retina).deviceinfo
This will fire up the simulator and from there, select iPad Retina as your device. Of course, this requires you to own a Mac and Xcode, which means if you are not into programming or own a Mac, simply do not even bother.