The American Physical Society is handling the registration process directly:

The registration fees for DAMOP 2009 will be as follows:

Category	Up until March 31, 2009	After March 31, 2009
APS Member	$435	$500
Nonmember	$500	$550
Retired	$350	$400
Student Member	$225	$275

Tote Bag and Flash Drive: $25

Graduate Student Symposium: $50

Additional Banquet Tickets: $50