A view days ago I replaced my iPhone 4 through a Nexus S Adroid Phone from Google. I bought it by bestbuy.
I like it. It is a pretty good cell phone. And the best on this phone is, it comes unlocked. It is a unlocked quad band phone. You can also use it in Europe.
Salling Media Sync
Salling Media Sync is an App in the Mac App Store. With this app you can sync your Nexus with your Music, Video and Photo Library in iTunes. The Mac Adressbook you can sync very easy with your google Account and from your google Account of course with your google phone.