Humble requests:

Next to remove dts, remove any selected audio track you wouldn't like in the backup.

Remove selected subtitles and automatic rearranging of the subtitling schematic.

Ability to cut movie stream to leave out intro's and end credits.

Ability to reduce intro and end credit quality to lower quality, so main movie doesn't need to reduce so badly.

Ability to reduce everything but the main movie to lower quality, so main movie doesn't need to reduce so badly.

Visibly show what happens to the quality of all the audio and video streams when you decide to reduce its quality.

Support for hardware MPEG decoders.

Merge two or more dvd's with a top-level menu where one can select one of the main menu's of choice.

Fully automatic dvd to dvd writing (auto detecting Single Layer, Dual Layer or High Definition disc). I.E. : DVD movie in disc 1, 4.5 DVD+R in disc 2, one press of a button, done.

Watermarking of logo and or timestamp in menu's, audio and/or video streams.