For more information about PKD himself and PKD related topics, check out the following links:
The Official Philip K Dick site is a large, excellent site with loads of information about Philip K Dick and his work.
Philip K Dick fansite is an great place to meet other fans of P K Dick.
Philip K Dick award is an annual science fiction award in Dick's honor.
Philip K Dick android was a fascinating attempt to bridge science and art, as well as a homage to PKD.
http://www.scifisource.com/ a large compendium of science fiction sites.
http://www.sfcrowsnest.com/ Lots of science fiction information
http://www.scifimatter.com/ a science fiction community site
www.searchmonster.org/ for just about everything else.