Sorry for the title, couldn't resist.
I found this;
"SOAP is Comatose But Not Officially Dead"
followed by this;
http://blogs.msdn.com/mikechampion/archive/2005/02/20/376975.aspx
and this;
http://blogs.msdn.com/xmlteam/archive/2005/02/15/372982.aspx
http://blogs.msdn.com/dareobasanjo/archive/2005/02/15/373067.aspx
all very interesting and thought provoking.
I also found this;
http://www.xml.com/pub/a/2005/01/05/restful.html
description of "When is REST not REST" quite entertaining (don't mean that in a negative way) and I also spotted this at some earlier point;
http://pluralsight.com/blogs/tewald/archive/2007/04/26/46984.aspx
which mixes into the whole thing.