LOL, I dont trade anymore as I just dont have the time to devote to it unfortunately.

Besides, they were not cheap and only sold one back then !

Its not just a PC laptop ....far from it, you need all the extra electronics to control stuff like wipers, lights etc...

As an estimate, to develop something like this comercially as a one off would cost around £20000+ !!!!!!!!!!
(this is most definitely not a for sale add ! )