Further update ...
"Thank you for your reply!
You are correct that I have not heard of this promotion yet and I apologize for your inconvenience. Thank you for faxing the information to me.
I have followed up on your question and discovered that this promotion will affect Travel Packages as well as regular transfers.
-- American Airlines will only post one bonus per member
-- Bonus miles post in 6-8 weeks
If you have further questions please feel free to contact us again!
Thank you for choosing Marriott.
Sincerely, "
So, it's officially a GO.^