OP, I am considering trim replacement too. Have a similar question since my car is still on the boat, arriving soon!
I ordered the car with Walnut wood because I could not live with the fact that Aluminum trim reflects like crazy in bright sunlight (esp. Hexagon one). Consider that before you replace the trim.
I do not plan to keep the walnut trim either, and would switch to M-perf Carbon Fiber/Alcantara Trim. It may be about the same price for Aluminum trim.
what trim do you have on yours? If it is Anthracite wood, I might be interested to buy it off from you, in case you sell it