A few days ago, eWeek reported

The slow adoption of Vista is giving IBM and Linux distributors an opportunity to convince enterprises that there are good desktop software alternatives to Windows. IBM, Canonical, Novell and Red Hat will work with hardware makers to market custom-designed PCs preloaded with Linux and Lotus word processing and collaboration software.

This news closely relates to IBM open-sourcing their super-computing code and shows not only their willingness, but also their commitment, to the open-source movement.
Read more about it here and here.