Ive been told it goes like this.
jan. 24th xbox elite subscribers
March - ps3 elite subscribers & non elite xbox
April - Non elite ps3 subscribers.
Not sure how much truth this holds but honestly i wouldnt doubt it. I mean its fucced that the whole selling point of the elite was to get the maps early and they still give the xbox maps earlier than the ps3. I dont really care though since i didnt get elite and dont plan on getting it. I simply dont like/play mw3 enough to really be like oh shit i want these maps. I got out my old super nintendo and have been having more fun on that that mw3