Also, we've had this debate before.
Personally I believe we should aim for what was intended not how it actually was/is 30yrs later
The public don't want to see chips, bumps and cracks.
I've heard some pass negative comments on such replications as they sadly don't understand.
They expect to see shinny pristine soldiers.
Hardcore fans do understand, but the majority of the public (who we do this for) don't and would think a swarm of Bees attacked you while you painted your lid.
Great as a project, not as a 501st wearable public facing TK