Sierra Entertainment has told Eurogamer that the F.E.A.R. Files and Persesus Mandate expansions will be released simultaneously here on 16th November.
F.E.A.R. Files is the Xbox 360 pack containing old PC expansion Extraction Point and brand new expansion Perseus Mandate.
You can test out the Extraction Point side of it now on Live if you live in Canada or the US (the Euro version is expected to go up sometime today); stalking through spooky corridors as you carry on the story from the first F.E.A.R campaign. That means freaky little sister Alma is still out there and apparently not finished with you, and you will be given new weapons like the minigun to test out in using the fancy bullet-time special effects.