The buyer's guide says 'do not buy', but the last two updates have each taken around 600 days. It would be nice to have a single thunderbolt connection driving both the display and the webcam and port extensions. It would be even nicer if they replace the some of the USB2.0 ports with thunderbolt, or USB3.0 in the future. Other than that, I don't really see what an upgrade can do. What does everyone think?