i have a music video on my pc at work which is around 4gb. i want to transfer it to my mac so i can burn it to watch on my dvd at home. i have been trying to burn this off of the pc but i dont think the burner does this since i keep putting a dvd into both drives and it keeps saying there is no media in the drive. anyway to compress and email this? i am also trying to burn it as a data disc but now luck. any suggestions? thanks!