This change really stinks.....in-store exchanges are now counted as "online rentals" according to your plan. New discs won't ship out until the ones rented from the store are returned.
http://www.blockbuster.com/help/faq/73?mcid=14400012&mlid=16408536&
http://www.blockbuster.com/help/faq/73?mcid=14400012&mlid=16408536&