For a follow up, read the very interesting article by Ray Kurzweil: The Law of Accelerating Returns.
Of course this may not happen. But it looks more and more likely that it will.
I don't know about you, but I wouldn't mind leaving forever. Or at least for a few thousands years :)
And if this seems weird or intimidating, do read Yudkowsky and Anissimov on the concept of shock levels:
* Future Shock Levels
* Future Shock Level Analysis
Lessons for the day:
Don't fear the future just because it's likely to be different.
Don't underestimate the probability of change because change intimidates you personally.