User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7) Gecko/20040704 Debian/1.7-4
We plan to use Mozilla and maybe OpenOffice beginning this fall.
At that point things become golden.
In reality, the office suite and browser/mail are most people's two
critical apps. Once you start running those on Windows, things open up to
the possibilities of running GNU/Linux on certain (or all) desktops, and
then your costs and support headaches fall through the floor.