|Word 2011 Ribbon Interface|
|AutoCAD 2011 Ribbon Interface|
|AutoCAD 2011 Toolbars and Pull-down Menu Interface|
It reminds me of another interface change back when the digitizer and puck was replaced with the 2 button scroll wheel mouse. Granted, the scroll wheel is essential now, but we lost the insanely quick command progression that the 9 or more buttons on the puck could produce.