For those with maintenance queries, it looks like a whole series of videos have just been released on YouTube:
How to change leader lines:
How to replace the Winder:
How to replace the Push Button:
How to replace the Metal Plate and Pin Screws:
How to change the Sliding Stopper:
How to replace the left Stoppergear:
How to replace the right Cover:
How to change the centre Depower Line:
How to change the Split Spool:
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How to replace the Chicken Loop and Chicken Dig:
How to clean:
There's a few others around too. Hopefully they answer some questions - haven't really watched any of them yet.