User blog comment:Lost Labyrinth/The fall of The Sims series/@comment-2039751-20130308002510/@comment-2201555-20130308130449

I've got the Steam version too, I don't think the platform supports pre-orders for DLC unless it's in the form of a Season Pass, which would involve a lot of reverse engineering with TS3's code anyway. May as well just buy it on release day.