There is a free app for the BlackBerry PlayBook that gives you access to over 1900 newspapers and magazines. PressReader turns your PlayBook into a serious "press reader." As you can see in the video PressReader is straightforward and easy to use. You can read publications on or offline.
Other features include:
Most publications can be purchased for $.99, or downloaded as part of a subscription.
PressReader is available in the BlackBerry App World at the link below.