Here come the (unofficial) 360 bundles.

[PooperScooper]

the release date for this bundle is May 2nd. (or 2 months ago)

Due for release on 02/05/2008

also episodic doesnt mean they'll be based on the main story. They can be side stories (missions) and they said that its an expansion and then compared them to VC and SA (comming from MS)