User blog comment:HaLo2FrEeEk/Full Dawnguard playthrough coming Tuesday!/@comment-4058895-20120625083355/@comment-1992639-20120625104604

Sony has too many of its own titles to bother paying a few million to have Skyrim one month ahead.

Micro$haft will probably buy every big DLC a month ahead for its Xbox while any small content DLC's (if any, they might just be released as patches) are probably released on all platforms at once.