In celebration of a new preferred partnership between Delta and Avis Budget Group, through Aug. 31, 2007, SkyMiles members can earn 1,000 bonus miles and 1,000 Medallion Qualification Miles when booking their Avis or Budget car rental through delta.com or a Delta reservation agent. The new preferred partnership enables SkyMiles members to book their car reservations on delta.com or be transferred directly by a Delta reservation agent to Avis Budget Group.