Apple created a new section in the iTunes App Store called "Great Apps for the New iPad." It features some of Apple's favorite applications that are compatible with the third generation iPad's new Retina display. If you bought a new iPad and own already own some of these apps, you should upgrade to the newest versions. This is also a great resource for first time iPad buyers who are new to the App Store.
The Kindle and Twitter apps have also been updated with high-resolution graphics for the new Retina display. Read on for Apple's complete list of iPad 3 compatible apps.