Keef,
I did upgrade my Office from 2003, which I liked, to 2007, which is far too clever for me. It is so different that I can actually do less with it.........
Next time I am conned in to getting the newer, better, I'll keep a copy of the old one, just in case.
BUT - as mixture points out, I am glad that I'm not still on 98 or 3.1.