I've had a rooted NC for over a year now and really enjoyed it. Got a Nexus 7 last week. Wow. Beautiful. Fast. Did I mention it was beautiful and fast?!?! The wife has officially inherited the NC.
You obviously get total access to all apps on the google store and you can install the apk for the amazon store and check out what's there. And you have the latest and greatest jelly bean.
You can't go wrong with this little beast. (It's also very easy to root. I'm about to flash my third different rom and I have a non-stock kernel. I love playing with android devices