http://www.kurzweilai.net- Technological Singularity
- Living forever
- How to build a brain
- Will Machines become conscious
- Nanotechnology
- Visions of the future
- Dangerous Futures
- Virtual reality
- Point and Counter point
enjoy
You will learn and find a lot of information on this site, Probably one of the best on the NET for this kind of stuff

Some other sites I always go to to check out stuff like new Audio, video, news..
http://changesurfer.com/eventhorizon/index.htmlYou have an archive of stuff of years of audio
An interview with yudkowsky -
http://www.robotslife.com/inte/singul.htmhttp://www.singinst.org/ - Singularity Institute for Artificial Intelligence
Also, A brilliant talk given by Ray kurzweil on artificial intelligence and the future of robotics and human enhancement. Video is here -
http://stream.knowtechnology.net/poptech/session1.htmlThat 1 you should watch
I'll post a list of websites when I can, but check this stuff out for now