I'd love to see a lightsaber battle between Vader and the Empire. There's gotta be what, a million billion Imperial nationals? Each one with a lightsaber ... it can be rendered in MASSIVE, and the whole movie can be nothing but Vader leaping around shrieking and cutting down pre-rendered people. It would be like the burly brawl in Matrix Reloaded, except two hours longer, and with a hundred thousand billion times as many people.

STAR WARS
EPISODE IV
VADER VS. THE EMPIRE

It is a dark time for Darth Vader. The Empire, thinking he is a whiny child-man, has turned against him. They have gathered on the world of VJUN to strike down the Dark Lord.

Even now, the entire populace of the Empire is bearing down on Vader's fortress, armed with Jedi lightsabers. (See the tie-in novel "Empire's War" and the cartoon series "National Lampoon's Galactic Conflict" for how this came about! -- GL)

But Vader will not go down without a fight. For he is trained in Form VI lightsaber combat and has a midiclorian count even higher than Master Yoda's ....