from
http://www.lowermanhattan.info/construction/project_updates/freedom_tower_26204.aspx
*The following information was last updated on January 20, 2012.
Tower steel is now above floor 91. It is expected to top out by appx. April of 2012.
Facade installation is now above floor 66
Concrete is now being installed above floor 85
Installation of the 400-foot-tall antenna in spring 2012.
Spray-on fireproofing underway
Elevator shaft fit-out
Multiple cranes on site for steel and concrete installation
Both the south and north cores are now being erected as the structure rises
"Cocoon" safety system now in place around upper perimeter, to rise with structure
Utility installation and tie-ins
Crews are coordinating substructure construction while maintaining PATH service
Not that they havn't had some latency problems with this information, but it's been fairly accurate about projections for the past 5 or 6 months