Revit 2010 Update 1 for Architecture, Structure and MEP

Here you can get the Update 1 for Revit. Seems like there are several enhancements and bug fixes included. Even the Revit API have been enhanced and improved.

Autodesk Revit Architecture 2010 Update 1

Autodesk Revit Structure 2010 Update 1

Autodesk Revit MEP 2010 Update 1

And here are documents describing what’s new:

Update Enhancements for Revit Architecture 2010 Update Release 1

Update Enhancements for Revit Structure 2010 Update Release 1

Update Enhancements for Revit MEP 2010 Update Release 1