I'd like to see "side stories" - not an "Episode VII, VIII, IX" or anything, but movies that take place within the universe that enrich aspects that the movies themselves didn't have time to go into.
Like the EU, but not mostly-terrible and inconsistent.
I'd also re-do I-III in the style of the "Animated Star Wars" thread (which I'm still planning on doing - now that I'm out for the summer, I'm going to start working on the new Episode I script again).