If this post were from, say 5 years ago I would have figured it was spot on. But today? Look at all the new OSes coming out now in the mobile/appliance space.

If this post were from, say 5 years ago I would have figured it was spot on. But today? Look at all the new OSes coming out now in the mobile/appliance space. Not to mention that Windows Vista/7 was enough of a shift that the learning cost of moving operating systems has gone down relatively (because you'll have to do it regardless).