I had been used
DVD to ipod video conveter. It can easily convert DVD to MP4, H.264 video formats and audio MP3, M4A and AAC without any loss quality of sound and image.
DVD to iphone converter is nice, too. You can easily convert your DVD to iPhone MP4, MOV, H.264 (.mp4) video formats for iPhone, iPhone (3G) by using it.I also want to recommend
iphone video converter to you. It gives you a hand to convert all videos to iPhone/iPhone 3G MP4 and H.264 video formats, even from the High Definination videos. Try it. It will help you a lot.