This is similar to my post from last week, about lowering the barriers to publication, and affirms all of the points that I mentioned. The main focus of the article is writer MaryAnn Kirkby, who wrote a book that traditional publishers turned down - they saw it as targeting a niche market. As it turns out, that niche isn't so small: Kirkby sold 50,000 copies on her own in Canada and is now in negotiations with a major American publisher to take her book nationwide in the US.
It touches on the ability to maintain complete artistic control of the work, describing how author Chic Scott deliberately kept his latest book to himself, instead of sharing it with the publisher of his previous books. "I just didn't want to lose control of this book," he said.
The article also touches on the financial benefits, with this mention of royalties:
It's a very interesting and encouraging article. Check it out when you have a chance.