Macworld just released their free guide to the iPad 2 called the "iPad 2 starter guide" its free to download. Just open the iBooks app and search in the store. While you are there you may want to check out the "iPad user guide for iOS 4.3" this is Apples free official guide to both of the iPads and iOS, the operating system that runs them. Pagliacci
I got it today. Still reading though it to see what's there. I have their older version from last year too. If you are looking for even more articles, tips, and app suggestions the AppStarter for iPad app from AppAdvice.com is still available for free.