Welcome back to 3 wheelers and enjoy your Super 3
If you haven't already it's worth signing up to the Super 3 Chapter on Facebook:
https://www.facebook.com/groups/653078776489425The early cars did suffer from rusting of the steering arms and a few other bits but this was quickly rectified by the factory. Now they are good as the M3W......
US models have rear disc brake and this is now to become standard on UK and European models as well as a switch to chain drive.
The driving position is higher than the M3W due to European regulations on the height of the seat above the road. For you the fuel tank is under the seat so there's not much you can do to lower it other than maybe take some padding out of the seat cushion. It is relatively easy to play with the windscreens as these are mounted on the front accessory rails.
Have fun and we look forward to some pictures when you get the car.