http://www.autodesk.com/subscription is now available for download from Autodesk.com at http://www.autodesk.com/revitstructure-downloads.
At this time only the English version is available. The localized versions will be released over the next several months. (What do I care? I speak English!)
For a list of new features and enhancements in Revit Structure 2011, please go to http://docs.autodesk.com/REVITST/201...7c01c-3c22.htm.
But as there is more than one version of Revit here is a list of the latest versions with links to the download pages:-
RAC2011-20100326_1700 Revit Architecture
RST2011-20100326_1700 Revit Structure
RME2011-20100326_1700 Revit MEP
WhiteFeet Tools updated for Revit 2018 (very cool)
11 hours ago