Glad you decided to keep it. You KNOW it was the right decision. :)
Put a thick protecting foil on the underside of the G4 chassis, that way it won't get too scratched. Something like this would be cool:
http://www.carbonmods.co.uk/Products...CMFLEXCFS.aspx
I'm planning for a custom single skid solution in 3mm carbon fiber for the G4 chassis - you are welcome to join in. More about that later. :)