On our list of iPhone 5 most wanted features, at No. 13 we have "improved home screen" with a better notifications system. A lot of people have been hoping Apple would come up with a more modular home screen that's more Android-like and has something akin to customizable widgets.
We suspect we'll get something like this when Apple rolls out iOS 5 next month at its Worldwide Developers Conference (WWDC), but in the meantime, take a look at this concept for a redesigned notifications system/home screen that the folks at 9to5 Mac have highlighted. It's pretty slick.