The core business of our company is Linux based network management and email solutions for the SME market. (Note the subtle ad for our company ;-) )
But even within our company, apart from the techies, there is resistance to shift to the Linux desktop. We have now forcibly convinced ;-) our graphic designer to move. She is now using GIMP and getting used to it.
This is definitely the way to go. Linux on desktops will go a long way in creating awareness and removing mindsets like
OS=Windows Wordprocessor=MSWord