Got this via email late last week:
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We would like to provide you with an important update to the American Airlines AAdvantage® program. Effective July 1, 2010, the Marriott Rewards program will no longer offer AAdvantage miles for stays at Marriott hotels.
All qualifying stays at participating properties completed by June 30, 2010 will be eligible to earn AAdvantage miles. It is also important to note the final date to convert your Marriott Rewards points to AAdvantage miles will be June 30, 2010.
As an AAdvantage member you have access to an extensive network of hotels where you can earn AAdvantage miles, including 60 brands in over 100 countries. For a limited time, visit the AAdvantage® ConnectionsSM Web site for a list of our special hotel offers.
We appreciate your loyalty to American Airlines and the AAdvantage program.
I use the points from Marriott solely for AA miles. Hmm... I don't think I earn enough points a year to get a free room/night from Marriott. I wonder if I will consider a different hotel chain when looking at where to stay if I am planning weekend trips. Hmm.... I will prolly stay at one certain Marriott in Austin due to location, but otherwise, I think my choice will be swayed.