IDG Contributor Network: How much change is too much change for end users?

Whether Roberto Duran actually said "No mas" in the eighth round against Sugar Ray Leonard or not, many of our business users are ready to say "No more" to the changes we introduce into their worlds.We IT professionals like to think that the critical path to getting a project done is the speed at which we can convert data, back up and restore a system, or add capacity to a server. That may be true in an IT-centric view of the world.  The true gating factor, however, is the speed at which yo