Sounds a great spec and I am sure you will love it. I had the light interior in my roadster and it resulted in black marks all over it, I think the frame was responsible. So a black interior would be my future choice. On the script badge, I liked both the Roadster and the Morgan scripts and placed the Morgan one over the Roadster one. I did not drill, just superglued. The 3.0l Roadster engine sounded a little quiet to me so I opted for the Librands. I have not had the pleasure of the 3.7l. I have put a Morgan badge on the dashboard of a couple of previous cars. They were pin badges,I bought them on line from the factory and removed the fastening bits. I just fixed them with strong double sided tape. They do add to the interior and as you say fill in the blank bit of the instrument panel. As you are considering this with the car in build you may find the factory has a better solution.
Thanks Lightsphere. The fact that the black hood won’t show marks, particularly around the hood supports, is a major consideration for me. Plus I also like the slightly more claustrophobic feel of the black lining (am I crazy ) . It is a little pokey British sports car after all -
I think the example of the dash badge I saw at the factory was an adapted pin badge. It looked great and just finished the dash nicely (see pics below) -
) . It is a little pokey British sports car after all - 
