This sneaked its way on to the internet yesterday…..
http://updatesdl.autodesk.com/updates/files/autodesk_revit_architecture_2011_update_1_readme.htm
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
