"Tentative Outright Treasury Operation Schedule
Across all operations in the schedule listed below, the Desk plans to purchase approximately $105 billion. This represents $75 billion in purchases of the announced $600 billion purchase program and $30 billion in purchases associated with principal payments from agency debt and agency MBS expected to be received between mid-December and mid-January."
If you're still confused about what's going on, here are two articles analyzing QE2:
QE2 Will Either Fix the Economy or Destroy It - Minyanville
Thoughts on "An Open Letter to Ben Bernanke" - Pragmatic Capitalism