iovSoft DVD Ripper Ultimate, is a really fully featured DVD ripping and video conversion soft, can rip DVDs to a wide variety of audio/video formats and convert among almost all popular video formats, such as AVI, MPEG, WMV, MP4, FLV, F4V, H.264/MPEG-4 AVC, DivX, XviD, MOV, RM, ASF, MPEG-1, MPEG-2, MPEG-4, VOB, MPEG2 PS, and MP3, WMA, AAC, AC3, WAV, OGG, or lossless audio APE, FLAC.
Rip DVD and Convert video to various popular video formats.
Output AVI, MKV formats support Dolby/surround 5.1 in DTS, AC-3
Support choosing language for soundtrack and subtitle
Support converting main video or segments of DVD
Support All Windows OS.
From the above link you can get a Free license code too. This works from 1st November 2010 to 30th November 2010 only
Free License Key 0001-91-CE-EE-44-45-4C