[video=youtube;I403bagL9rw]http://www.youtube.com/watch?feature=player_detailpage&v=I403bagL9rw[/video]
One of the sharp elite team devs, Albert Wertz, of our sister-site at Tabletroms.com, created a great video of a super-simple root method for the Barnes & Noble Nook Tablet. The method only requires some easy steps and a microSD card.
Here's an official forum thread at TabletRoms where you can find more info and download links: Step by Step video on how to hack the Nook Tablet by Albert Wertz.