It ain't immortality. Whatever sits in the computer, it sure ain't YOU. It may think like you and have your memories, but YOU die and IT sits there.
About the most lasting thing a man can do is put in a driveway. Granted, a driveway will not last forever, but it will probably outlast his house and most certainly outlast his stay on the NYT Bestsellers List.
But what happens when the technology advances to the point where the Turing test cannot distibguish between "you" and a copy of you serialized into a computer?