This has been mentioned on one of the other forums I am on
and the point has been raised that the most people this will effect will be 4wd owners with lift kits on there cars, it is also worth mentioning that 4wd clubs are in general more organised than most clubs, I think the govt. is going to be in for some sort of fight.
Coilovers can be wound up or down, and what the cops are going to carry a book wit the ride height of every car on the road here