I always read "Callback" as soon as it comes out - and then I almost always use something I learn in my next Flight Safety discussion. This one definitely should make people aware that considerable training (preferably on the ground) is necessary if you're flying with a Technically Advanced Aircraft.

In my opinion, one of the best safety enhancements an EFIS manufacturer could provide would be a PC based simulation of THEIR units!

Paul
 
Interesting reading

General design of these systems are an issue. A good read on this problem is "The Inmates are running the Asylum" by Alan Cooper.
Should be required reading for anyone designing a user interface.