“Prism video conversion software is a free video file format converter for Windows. It can convert video files from avi, divX, mpg, vob, wmv (Windows Media Video formats), 3gp (mobile phone format) and more into avi, asf or wmv files. It can also convert your DVD discs into many different formats.
With Prism you can convert your video files into the formats you need to watch on TV, put on a website, create a presentation, watch on your iPod and much more. In fact, the possibilities are endless using this powerful video file converter.
Prism video converter is very easy to use. Just add the files you want to convert to the list, select the format you want to use, and then click the convert button. We make Prism free in the hope you will like it so much you will upgrade to Prism Plus which supports additional encode-to formats.”
They also have a FREE audio converter: Switch Audio File Conversion Software
This appears to have wonderful possibilities for Windows users! I use QuickTime Pro for most of these features on a Mac. Enjoy!