Had the pleasure a while back of checking out the Moviebird cranes put on by PS in Toronto.
Amazing telescoping reach and versatility, with remote heads from Stab-c to Mosys.
This pic shows a some of the extension capabilities, and I assure you the move is smooth.
I did not notice any perceptible noise coming from the unit either, but the space was not whisper quiet as well, so this would have to be verified.
Also, the unit base is fairly compact and the setup time reasonable.