
I was in IBM 12 years ago, and at that time, it was OS/2 and Lotus SmartSuite that came loaded automatically on any Wintel system. If you wanted Windows and Office, you had to have a really good business case, and Office on OS/2 was not really well supported (probably due to Microsoft using secret API calls when running on Windows).
When OS/2 fell out of grace at IBM, there was a time when SmartSuite on Windows was tried, but as most of IBM's customers were Office users, document exchange became a problem (there were SmartSuite filters to open and write Office formats, but they were not included by default, and were not 100% effective). There became a straight choice for users between SmartSuite and Office, and Office won, like in the rest of the world.
IBM then tried to make SmartSuite (and Lotus Notes client, the Email part of Notes) more popular with a giveaway program on magazine cover disks, but that did not work either, so the package died, albeit a slow, lingering death.
So for about 10 years, IBM has been using exclusively Office, buying corporate licenses at whatever cost Microsoft felt like charging them.
If IBM can make even some of their own users give up Office, so that a smaller license fee needs paying, then they can only gain. And with ODF being a hot topic at the moment, it gives the possibility of some free news space. Not sure how the targeted users will react, however.
I avoided Office, using SmartSuite after I left IBM, and switched to StarOffice and then OpenOffice when I decided to use Linux as my primary OS (I'm a Unix consultant). And now, when I have to use Office as part of my work on client provided systems, you cannot imagine how annoying and difficult I find it. The lack of any common sense in things like font handling, and styles when cutting and pasting between documents, everything moving around when new releases come out, and some very strange behavior when trying to adjust complex numbered lists just astound me. I could list at least 50 things that I cannot stand. Quite how the software passes ergonomic testing escapes me.
So I think that IBMers should embrace a move from Office. Let's break Microsoft's monopoly. Of course, I would actually like to move back to Memorandum Macros and Troff, or possibly LaTeX for documents, and who needs spreadsheets anyway!