User blog comment:G0LD3NF1RE/Dawnguard encounters issues with Playstation/@comment-72.196.16.15-20120918023634/@comment-5370644-20120919204354

Microsoft pays Bethesda to make sure we get DLC earlier on Xbox. And they didn't screw you over, they are encountering problems that they cannot solve. Be patient. And if you don't get Dawnguard at all, maybe you can make the wise choice and upgrade to Xbox.