How do you deliver HD content to your client?
i may be misunderstanding some of your replies, but DVD does not support HD video, as it is only 480 res. of course, you can burn just the HD data file (mp4, avi, mov, wmv, etc) on a CD or DVD, but you cannot create a playable DVD in HD. only blue ray supports creation of a playable HD video file.
D2x, nikon 12-24mm ED-IF AF-S DX, 18-70mm DX
Cambo 45NX, nikkor SW 90/8, 135/5.6, 210/5.6
Graflex Crown Graphic 4x5 (1948 model)