Starting around $300, Cinetics' CineSkates are not cheap but this new device may provide exactly the kit you're looking for in terms of mobile dolly shots. Attach your iPhone, start it recording, and use the rig to smoothly move the camera as you shoot, creating perfect rotation and tracking shots.
TUAW got its hands on an early review unit to see how it worked. We can report it felt extremely solid. The wheels plus the arms provided a stable yet maneuverable platform. You could adjust the camera to nearly any height within the limits of the physical components. Whether the camera was oriented up above the wheels or down as in this shot, it was steady and maneuverable.
That strength derives from those flexible arms attached to t
