The upstart doesn’t signal the end of the previous generation. We still have mainframes, and we’ll have PCs for a long time. But give it time and, as stated at the beginning of this note, the Center of Money will shift as customers become more comfortable with the new, lighter, sexier model, as the nascent devices gain muscle and polish. This is the future Google and Apple have in mind for their Android/Chrome and iPhone platforms.
Indeed, after using the iPad for as long as I have, it is becoming clear that for a great many people there is no need for anything more than an iPad. Once OS 4.0 hits the iPad will be a great only computer for a great many people.