Kiln People, by David Brin, is nearly a post-cyberpunk sci-fi
novel (deals with technology, but not necessarily info tech),
a detective story of sorts that from start to finish poses the
philosophical question of personal identity: am I a mind, a body,
or both? I found it fairly worthwhile reading, and I believe that you can find an extended excerpt from this work at:

fictionwise ebooks:

http://www.fictionwise.com/

K