Following is a comparative review of the Apple iPad Mini and the Google Nexus 7. If you are looking to pick one of these up for the holidays as a gift or for yourself, check out this video for a decent overview of both tablets.
You will see the Nexus is lower priced, has better specs, but is also smaller and a little thicker. The iPad Mini is much more expensive, has a lower resolution display, has lower base specs, but is thinner, has better apps, and you get an Apple logo on the back to show your friends at Starbucks while you work on that movie treatment.
This video is from pocketnowvideo.