Don't have much to contribute, but I'm loving the updates so keep at them!

My roommates just finished a DSM (re)build so the 4G63 pictures are bringing a smile to my face. Will be sick to see this when it's done, and it looks like you're damn close now...

You could think about hydro-graphics for various interior pieces, depending on which pieces are bad and what state they're in. I think SRT SIX has a contact with very competitive rates (still pretty pricy though).