Here is a link from the inkscape wiki. The program you want is called "uniconvertor". It imports ai files up to version 9 and exports the ai as version 5, which inkscape can then deal with.

Again, scroll to the "existing conversion tools" and look for "Uniconvertor"

http://wiki.inkscape.org/wiki/index.php/FileTypes

Burr
[EDIT] But then again, Inkscape wants to be an svg program so use this tool to import your moi file then convert it to svg.
[EDIT]