We've just posted two videos of Defrag.NSF in action. If you have a spare couple of minutes, check them out. You see just how simple taming fragmentation on Domino can be.
New Demo Video - Single Database Defrag
New Demo Video - Scheduling Automatic Database Maintenance
Another video is coming, showing how Compact -C fragments databases. Stay tuned.
For more information on Defrag.NSF go here.