You have free trial and then... if you like it,prize is around 81 €
~Record from desktop, a video camera, microphone and computer's audio all at the same time
~Full screen HD capture, optimized for the best, most efficient screen capture
~Intuitive editing interface allows you to add professional touches
~Keynote and PowerPoint support
~Full range of elegant 2D & 3D transitions
~Publish directly to YouTube, Vimeo or Flash movie
~Optimized to take advantage of productivity enhancements in Mac OS X Lion
Record your screen. Edit your video. Share with the world.
ScreenFlow is powerful, easy-to-use screen recording and editing software for the Mac.
Via Nik Peachey, Dennis T OConnor, Rosemary Tyrrell, Ed.D.