In short, probably not. IT departments want open source and existing desktop users mostly want Windows. Given Microsoft's recent rumblings, I think the next maj

In short, probably not. IT departments want open source and existing desktop users mostly want Windows. Given Microsoft's recent rumblings, I think the next major thing we're going to see on the desktop is the full virtualization of Windows running under Linux and officially supported by MS. This solves both of the most pressing needs (get to open source and don't disrupt existing apps).