Take a look at the new features of iOS 6. There is a new Maps app that includes flyover view and turn-by-turn spoken directions. There is better Facebook integration, new Safari features, a new Passbook app and a Do Not Disturb mode. You can also take panoramic images and create shared photo streams.
Most days I spend more time with my phone and iPad than I do on my Mac. If you're the same, this video gives a great overview of iOS 6.
Yes, I do a lot of writing on my iPad, probably because I'm more relaxed...