The Learningstone website has a _lot_ of information about sculpting
Mark Rietmeijers homepage shows his other work and tells about what drives him (in dutch)
The american site by United Artworks has a lot of information on different forms of art, artists and suppliers on the other side of the ocean. Do have a look at the faq's there, or join the discussions in Usenet alt.sculpture where you can find some of these artist on a regular base.
Gyelt Tuinstra