Here's some video I shot at London Hackspace last weekend. The machine isn't working properly, but this should show roughly what it'll look like when it does. There's some mild swearing on the soundtrack; mute it if that offends you.
I'll be back at the Hackspace tomorrow, making another lifter (5th revision!) which should make it easier to pick up ball bearings and allow more space for a better centering system when the ball bearings are returned to the track.
I've been accepted to Maker Faire UK in Newcastle in March - I'll have the machine running on a stand there with some more cellular automata stuff. See you there hopefully.