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Shortly, you get 15000 miles after the first purchase that you can exchange for $100 gift certificate for Crutchfield Electronics (13377 miles as of 8/29/07), etc. via Points.com.
No annual fee for the first year.
Terms from the bank website (as of 8/29/07):
1 American Airlines AAdvantage® bonus mileage can only be earned by new Citi® Platinum Select® / AAdvantage® World MasterCard® card members approved through this offer. Your 15,000 AAdvantage® miles will appear as a bonus in your American Airlines AAdvantage® program account 8-10 weeks after your first purchase with the card. The AAdvantage® bonus mile offer expires on December 31, 2007.
2 As of August 9, 2007, the variable APR for purchases is 18.24%. The variable APR for cash advances is 23.24%. If you default under any Card Agreement that you have with us, we may automatically increase to the variable Default APR which equals 32.24%. The annual fee for the Citi® Platinum Select® / AAdvantage® World MasterCard® is $0 for the first twelve months, $85 thereafter. Minimum finance charge: 50 cents. Foreign Purchase Transaction fee: 3% of purchase amount after its conversion into U.S. dollars. Transaction Fee for Cash Advances: 3% of the amount of each cash advance, $5 minimum. Transaction fee for Balance Transfers: 3% of the amount of each balance transfer, minimum $5, maximum $75.