While it does make for some entertaining fiction, and may provide some benefits to the living, I do not believe that 'uploading' is a desirable experience. In fact, I don't believe that one can experience it at all. Imagine the procedure (for a conscious person): your brain is connected to a computer interface and a copy of your mind is taken. Great. Now there is a digital copy of your mind. So what? You still get to…
I cant find a free link, but here is a paid e-book, $0.59: http://www.fictionwise.com/ebooks/b876/Transition-Dreams/Gre...