Thanks - just signed up! ^
From the confirmation email I received when I signed up:
You have earned 1,500 AAdvantage Miles and they will be added to your account within 6-8 weeks. Plus, you will earn an additional 100 miles every 4 weeks when your subscription automatically renews on EZ-PAY.
EZ-PAY is
NOT required to sign up or get the 1,500 bonus miles.