Surely this renders Microsoft's previous claims to exclusivity invalid? Actually, no. At this year's X06 event, the Redmond giant touted "exclusive access to two downloadable, epic episodes of GTA IV via Xbox Live, each with hours of entirely new gameplay and available only on Xbox 360 just months after the release of the title." As we suggested before, barring the case of Rockstar releasing only two episodes in the game's lifetime, such wording does not rule out different episodes for the PS3.
Exclusives and tired movie references aside, perhaps our concern should first switch over to the actual game (releasing in October 2007) before discussing the status of microtransacted add-on episodes. Is doubting GTA IV's quality ... inconceivable?
[Thanks, Meh and Ethan.]