1. The satellite view is now more of a globe that looks like Google earth.
2. Option to "Open in..." For photos in Messages
3. iCloud icons and download buttons are missing, must download whole playlists, artists or albums.
4. Full screen clocks for iPad. - attached here for a closer look
5. Option for Photo stream now renamed "My Photo Stream", in order to avoid confusion with shared ones.
6. Lock icon on lock screen is gone.
7. "New" tag on newly downloaded apps, like books and magazines.
8. Extensive bug reporting in Maps.
9. iTunes preview history - useful!
You can go to my shared photo stream at
https://www.icloud.com/photostream/#v2;3;AC511BED-C186-457C-8984-D7C6886FB5B2;201496361 for many more screenshots.