how to rename an Xcode iPhone project

If you want to rename an Xcode iPhone project, especially useful after copying an pasting a project, here's how:
http://dougdiego.com/2008/10/09/how-to-rename-an-iphone-xcode-project/

If you rename the [...]AppDelegate class in the [...]AppDelegate.h and .m files, you'll need one more step:

• open the MainWindow.xib (or whatever your root .xib is) in Interface Builder, click on the App Delegate object, and in the Identity Inspector, choose the new class name in the Class Identity section.