Depends on the format and the size of the movie. The more compression the lower the quality. Just a matter of how far you want to lower the quality of the video output. Most of the people I know prefer to leave it to one in DVD format. The real popular method is to put one backup per disc and keep the quality as high as possible. Afterall, those discs are only about 30 to 40 cents each when bought at bulk rates.
LOL I couldnt tell if that was a question, or a statement. As brobear said,3 movies on one disc is pushing the visible compression limits.
