You can try Eztoo iPod Video Converter to convert videos in any format to iPod.
It convert all video files such as VOB, MPEG, MPG, MKV, M2V, AVI, WMV, ASF, 3GP, FLV, MP4, MPEG4, M4V, RM, RMVB, MOV, MPV, TS to iPod movies with great quality.
It is the fastest converter I have used. You can download this software free from here:
http://www.eztoosoft.com/ipod-video-converter.html
Unbiased reviews and side-by-side comparisons of ipod converter suite you are considering, and gives you enough information to research the ins and outs of a particular product, you can choose your favorite one here:
http://www.eztoosoft.com/ipod-video-converter.html
For mac users:
http://www.eztoosoft.com/mac-ipod-video-converter.html