When I was in classes for IT, the teacher for the class was absolutely certain that in the upcoming Windows 8 that everyone would start migrating to the eSATA/USB combo ports, eventually replacing all the stock USB at the same time.
The class also assumed that Windows 7 would be the mainstay computer platform for 10+ years like XP was, and that Windows 8 would be the "ultimate" Windows for another 10 years after that, so...