Bounce Metronome Pro ,,, a clever PC metronome utility with visual options such as 3D bouncing balls, animated drumsticks and conductor’s baton graphics. (online summary)
... Rather like those used in karaoke machines, their rise and fall incorporates a ‘gravity bounce’ that feels like having your own conductor to help you keep in time.
Full review in Sound on Sound
Martin Walker, PC Notes, Sound On Sound
Sound On Sound Magazine, 2010, online summary (scroll down a little)
Sound On Sound Magazine, 2010, printed review