We are happy to announced that the newest double sided packages are now available for Windows 32-bit 2000/XP/2003/Vista/7 operating systems on our website, http://dawgprints.washington.edu. These duplex packages are set to flip jobs on long edge by default. We are currently working on providing the same functionality for 64-bit operating systems as well as Mac OS X and Linux. Please contact Dawg Prints support at uwcshelp@u.washington.edu if you have any questions.