Bombono DVD is a DVD authoring program, see
http://www.bombono.org.
Now Bombono DVD is ready for Windows, too. The main features are:
* Video preview: Timeline and Monitor
* WYSIWYG Menu Editor
* Transcoding, if necessary (from AVI/MKV/MOV/MPEG4...)
* Motion menus
* Subtitles support
* You can author to folder, make ISO-image or burn directly to DVD
It would be nice if you give some feedback about it.