Incoming notifications are larger. iOS already reserves the right to double size the status bar at the top, and it looks line the new notifications will be doing the same. For me, this should keep incoming SMS messages readable at a glance in the car, without the distraction of either dismissing a modal dialog (iOS), or squinting to read a quick flash on a small status bar (Android).
Whatever I think about Apple's copying of Android (which come on, they did), I sincerely hope you're not reading on your phone while in the car unless you're at a stoplight or pulled over. If you are, please don't drive in the DC area, we have enough of that already. Thanks.
*edit*
Another quick thought: I like the 180 on the camera shutter button. Less than a year ago they pulled Camera+ for daring to do that. Now it's a feature