Gary S;
I work for a regional state-run university with well over 1000 users in staff and over 4000 students. I mainly work with the night classes where students are older and have slightly below-average computer experience. We have been doing a phased deployment (IT staff, student labs, faculty, administrative staff). We have training programs for students and staff.

We're not even past the 2nd stage and there's already lots of problems. I get students who are totally drawn back by the new UI that they ask me how to do the simplest of tasks, that admitedly took me a couple clicks on the help feature to figure out when I was first using it.

We have staff that are doing the same thing with PowerPoint. I am also experiencing these questions when I go out on side jobs, users are generally frustrated that Office 2007 looks and acts so different.

bottom line:
It's easy (and relatively inexpensive) to train 50 employees, but when you have thousands in an enteprise environemnt where they are not at their computers from 9-5 straight it's a totally different story.

MS messed up big time. I'm all for keeping up on technology but you don't just completely change a program that millions of people use.