Adobe working on a full version of Photoshop for the iPad.

Here is the link where you can check out the video of the application in action. http://www.photographybay.com/2011/03/30/photoshop-for-ipad-live-demo/

There is already an app in the App Store which is Adobe Photoshop Elements but this is a new version. There is no release date or if it will be exclusive to the iPad or not but it was demoed on one. Stay tuned for more info.