The first major web update for Revit 2011 is avaliable online...
The link below is for the 64bit:-
http://updatesdl.autodesk.com/updates/files/rac_x64_ur10.exe
For 32-bit go to:-
http://updatesdl.autodesk.com/updates/files/rac_x86_ur10.exe
The link below is for the 64bit:-
http://updatesdl.autodesk.com/updates/files/rac_x64_ur10.exe
For 32-bit go to:-
http://updatesdl.autodesk.com/updates/files/rac_x86_ur10.exe