Here are some details of the Rapture Metro Pack (800 Microsoft Points/ $9.99):
Rapture Metro Pack, the next DLC for BioShock 2 that’s coming to Xbox 360, PS3 and Games for Windows -LIVE

  • Six all-new maps built, some built from the single-player portion of the game
  • Three new Achievements/Trophies
  • Rebirth Feature - Players who reach rank 50 have the option to rank down to Level 1 and receive a special mask


And just to clarify, the content will not be available this week. We'll have more details on timing in the very near future.