If you aren’t already a member in US Airways Dividend Miles, now is a good time to sign up. New members can earn a one-time sign up bonus of 1,000 bonus miles for enrolling in Dividend Miles online until March 31, 2009. All you have to do to receive the miles is enroll as a new member–you do not need to book a flight after registering to earn the bonus. Go to http://insideflyerus.wpengine.com/link/?1438 to become a member.