A nugget from esriuc… Top 10 productivity enhancements at ArcGIS R 10.1 as described in the conference opening plenary…

1. Labeling with maplex rule based labeling engine
2. At 10.1 maplex included with all licenses
3. Legends. Dynamic legends ensure all classes in map show p
4. Quickly access over 4000 projection systems via new keyword search tool
5. Geodb app administrator… Imagine right click and disconnect a user!
6. Editing environment improvements. Quick align and snap features when editing
7. Editor tracking. Keep track of what people do to your data
8. New 64 bit architecture
9. Fast queries… View tabular chart data update real time while features added
10. Functional enhancements… Print tools on the web

And a video snippet of Jack Dangermond discussing ArcGIS at a special press event... some interesting numbers here!