Testing an endless runner's camera.
Runs great on Win32 and WebGL, though the standard Webplayer has a tiny stutter when you die.
It seems that the Webplayer doesn't zero velocity when colliding before triggering OnCollision, so that there is a slight stutter as the camera doesn't take control until the following frame.
Incase you are unable to load the scene, it consists of only three GameObjects setup as such:
Finally, there is a prefab that is setup as such: