Ultimate Video Converter
Ultimate Video Converter is an amazing piece of software which will eventually allow you to convert to any video format to any other. Currently it is in development and has many codecs but more will be coming soon.
Works with Windows XP, Vista and 7.
Version 2.7.0.0:
Project Home
Windows Installer File
Portable Zip Version - for memory sticks
PortableApps.com Installer - Integrates with PortableApps.com Platform
Visual Basic.NET Source Code