Attached Link: Iron Sky

"show me.. ONE thing that cannot be & already has not been done by ILM, Digital Domain or Weta Digital"

Naturally everything can be done using custom made scripts, handmade meshes, lots of money etc. But if that is the professional way remains to be seen.

It is difficult for complete outsiders to get into the Hollywood business as you no doubt know. But check out the link to Iron Sky. The guys who made that made another film before that was completly home made. That was how they made it into business and got to make a real film.