WMV to AVI

Does anyone know a good program which will convert wmv to avi and also whether or not it will improve the quality etc?

Thanks

online converter
http://www.zamzar.com/

free program - Any Video Converter
http://www.lifehacker.com/software/d...ows-218253.php

good program (not free) - Winavi
http://www.winavi.com/video-converter.htm

Or simply use:

Super(c)

i would recommend Winavi also as it has less errors on conversion compared to others i used