I'm on a roll.
Here's a question/answer session my friend Douglas Witmer joined recently...I found there are some helpful, thought-provoking and tantalizing ideas posited here...as well as some things almost every conscientous artmaker thinks and wonders about occasionally...check it out:
http://thinkingaboutart.blogs.com/art/2005/08/artists_intervi_1.html
And here is Douglas's web blog: www.douglaswitmer.com/blog