Those of you who have seen District 9 will know what an awesome, original sci-fi movie it is. What you may not know is that it was based on a short-film called Alive in Joburg. Which Peter Jackson was so impressed with, he agreed to fund a feature length film based on its ideas.
Coming in a similar vein is The Gift, a short film which cost $150,000 to make, and its rumoured has since been picked up to made into a full-length movie entitled Small.
Probably one of the most breath-taking short films I've ever seen. I'm really hoping the movie lives up to this promise: