Some useful NLP sites:

http://www.nlpu.com/

http://www.nlp-world.com/

http://www.nlpanchorpoint.com/

http://www.steveandreas.com/

For the greedy with more links:

http://home.earthlink.net/~jbodnar/nlp.html

http://www.nlpinfo.com/

http://www.nlpresources.com/

http://www.nlp.org/

http://www.rain.org/~da5e/nlpfaq.html

http://www.purenlp.com/