That I don't know, James. 

Perhaps someone else in the group does know.

Here's a .vbs file we use at my workplace for accomplishing the same function, but in this case it checks if the user has the most current version of the Access...

Ben,

I would go your route using an audit table.  That's what we do where I work.  We store the old and new information together in the same record, what form/page the change...