Never trust an editing program. Save, save, save. This one can't quite handle HD footage (despite claiming otherwise) so it likes to go run out in front of a car every once in a while. Just when you think it might be ok again, it starts freaking the fuck out about the little grey people in its cereal. I love editing though. It's like being a mad scientist with a million puzzles all mixed together on the floor, and you've got to make a monster out of them. Good luck.