ASUS' original ExpressGate instant-on OS may be getting a little long in the tooth, but it looks like it's finally due for a serious replacement. While it didn't cause much fanfare at the time, ASUS was apparently showing off version 2.0 of the SlashTop-based OS at CeBIT earlier this month, and Notebook Italia has just now provided a quick hands-on video that gives us some idea of what's in store. As you can see, the biggest change is the interface, which now looks more than a