AutoCAD CUI Customization
Kyle Davis an Application Engineer at CTC Technology Center covers the Custom User Interface (CUI).
Most of us don't have to do this, but when you do it really helps to have a good training video to get you where you need to go.
AutoCAD Based CUI Customization
Everything you ever want to know about changing the CUI for AutoCAD based applications.
If you do this remember to take steps to save and protect your customizations. A Service Pack can erase them. Arrgh.
Using your own Partials are therefore often worth the small extra effort.
Task based Workspaces really do help make certain workflows easier in AutoCAD Civil 3D. They aren't that difficult to build.