> 1) Should I go with wood-trim or carbon-fibre for the interior trim ?

Neither. Ducttape trim is all the rage in N.America these days.

1. It's fashionable -- you can't buy a new car without exposed bare metal anymore.

2. It's safe. In case of gas attack, you can use it to seal the cabin tight.

3. It's approved. By John Ashcroft.

4. It's economical. Since you don't care about economics, well, at least it's still comical.

> 6) My factory shocks are going soon. Thinking about Bilstein or Koni. Which
one should I go with ?

Better try Koni. I suspect you may have grown too, uh, linear to appreciate the Bilsteins' wonderfulness, or else would couple them with too firm a spring which would invade and vanquish all that wonderfulness.