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IBD note: If you spend $33 with this card to get 33 miles, you can exchange 10,333 miles for a $75 Crutchfield Electronics gift certificate via Points.com.
Terms from the bank website as of 8/9/07:
You can earn 10,000 American Airlines AAdvantage® bonus miles by enrollment of a Citibank® / AAdvantage® Debit card during this promotional period. Limit one offer per account. AAdvantage® miles will appear as a bonus in your AAdvantage® program account within 2-3 checking account billing cycles after your enrollment in the Citibank® / AAdvantage® Debit card program is confirmed by American Airlines.