Latest OS for Playbook 2.0.0.7971
http://helpblog.blackberry.com/2012/02/download-update-blackberry-playbook-2-0/
Downloading/Updating to BlackBerry PlayBook OS 2.0
If you purchase a new BlackBerry PlayBook tablet, the first time you set up the tablet you’ll automatically get updated to BlackBerry PlayBook OS 2.0 during the initial setup process. For an overview of how the setup process on a new BlackBerry tablet works, check out our post on How to Set Up a BlackBerry PlayBook. (Make sure you come back to this post so you can learn more about the new BlackBerry PlayBook OS 2.0 home screen when you are finished setting up your tablet!)
For those that already own a BlackBerry PlayBook tablet, when BlackBerry PlayBook OS 2.0 is released, you will receive a Software Update notification that appears on the status bar. When this appears, tap “Update” to start downloading the Software Update. You’ll need to restart the BlackBerry PlayBook tablet when the BlackBerry PlayBook OS 2.0 update is complete, so make sure you save any files you might be working on.
Tip: Whenever you are applying Software Updates or setting up a new BlackBerry PlayBook tablet, leave it plugged in so it has a sufficient charge. To learn more on how to check for a BlackBerry PlayBook tablet Software Upgrade manually, click here.
User guide
http://supportforums.blackberry.com/t5/BlackBerry-PlayBook/NEW-PlayBook-OS-2-0-User-Guide/td-p/15819...
Media types that are supported on the BlackBerry PlayBook
How to synchronize media from a computer to a BlackBerry PlayBook
How to transfer files to and from the BlackBerry PlayBook
