The Important Things
Before you open the gates of your compound to your fellow humans, here are some final words of advice on keeping out the slathering monsters beyond the walls:
The lamest dual-mode authentication beats the slickest new trick. So take back the link to the national nose-print database if it isn't integrated with strong password protection.
If your troops are going to work on the road, talk to them about physical notebook security.
If your users are working at home, put something in the six-month memo about the safest place for storing passwords: in their heads! They are guardians of your network now.