Here's a very thought provoking article posted on The Object blog ( http://theobjectserial.wordpress.com/) by Winston Emerson, featuring an interview of Tim Roux of Taylor Street Publishing. A recommended read.
http://theobjectserial.wordpress.com/2012/07/22/tim-roux-of-taylor-street-publishing-on-the-publishing-market/
http://theobjectserial.wordpress.com/2012/07/22/tim-roux-of-taylor-street-publishing-on-the-publishing-market/