I've seen that done before, I can't find pics but I'm sure I seen someone take apart the batman pers head for repair before. Wish I could be more helpful, hopefully some else could chime in who did it before.
i broke my spare dx01 joker head intentionally to rip those eyes out for SAG poses. i had to, cause nobody was willing to sell me a broken one LOLZ. i dont intend to paint them. it can be done.
awesome tutorial man!!...i also took apart some Pers when i first got the joker 1.0 and never erturned to it,..i actually have the same idea for a different Sith but glad to know that thst this one worked for you...i can also see that they did reinforce the eye things...before it use to be just one little piece holding everything together...it was no wonder why so many early DXes had eye breakage problems.......definitely show us pics when you are done!!!...