Have you ever wondered what are the visual differences between common video formats? Here we will demonstrate it with I, Robot.
First sample is XviD, the 1 CD version of the film; second, DVD is the vanilla 576p DVD video from store; third and fourth are HD 780p and 1080p the HD DVD versions. (Here is the list of HD DVD releases.) Click on the image above to get the full frame version. (Thanks to balagee for putting this together!)