Originally Posted by
Stitch
I use Reflector App on the Mac.
Just start the app on the Mac then turn on Air Play on the iPad and select the computer. It should automatically load and be displayed on the Mac. The just press Record inside Reflector. You can save to a file when you stop recording.
Also works on PC.
Note: Reflector will record iPad sound (i.e.: Clash sound) but you won't be able to record any audio commentary at the same time. For that you'll need to record it separately (.WAV / .MP3) and then merge the 2 together in an Video Editing package such as iMovie / Final Cut Pro.