Wing Commander 2 has an additional speech pack for the Dos version.
Google is your friend.
Or dig a bit @ http://www.wcnews.com/links.shtml
[Edit]
If the speech pack works with the AB version, no idea, I have the original game ...... 
__________________
Not a member of The Victorious People's Shoutbox Liberation Army.
Not a member of the GAG Guerrilla. Don't get A Grip!
FOR RENT
*Advertising space*
|