Hey guys, here's a great idea for the cube. I know this will require a lot of development, but what if someone makes a cube where each face is a virtual Today Screen. Think of the SPB Mobile or the PocketPC 4.0 tabs, but where instead of hitting a tab, you swipe left and right just like the cube to change to another tab:
Better yet, what about customizing it so you can choose to spin the whole cube, the top half only or the bottom half only!