The new Business Week (already online for subscribers) has a feature on 21 major ideas for for the coming century. These include nanotech, superintelligent AI, personal energy sources, personality preservation, among others. I haven't read it yet, but look forward to it.
Max
Implications of Advanced Technologies
President, Extropy Institute: http://www.extropy.org
EXTRO 4 Conference: Biotech Futures. See http://www.extropy.org/ex4/e4main.htm