One of my main UK clients has 1000 or so seats still running Win XP. I don't think I'll live to see them running Win 8. What is going to happen when there is a

One of my main UK clients has 1000 or so seats still running Win XP. I don't think I'll live to see them running Win 8. What is going to happen when there is a disconnect between what the enterprise user uses at work (XP or 7 presumably) and the Modern UI the consumer gets at home? I think this is going to be MS's Waterloo... we'll see.