<A target="_blank" href="http://www.infoworld.com/t/linux/not-using-desktop-linux-youre-wasting-your-money-782?source=rss_infoworld_top_stories_">If you use WinXP machines to connect to a mainframe, through emulation software</A>, then the author of this article thinks it would be cheaper, and maybe smarter, for you to replace them with Linux boxes.