Here's an interesting article from CNN
http://www.cnn.com/2004/WORLD/meast/04/28/iraq.poll/index.html
But note that this survey was done before the most recent violence down there.
BAGHDAD, Iraq (CNN) -- Nearly half the Iraqis polled in a survey conducted primarily in March and early April said they believed the U.S.-led war had done more harm than good, but 61 percent of respondents said Saddam Hussein's ouster made it worth any hardships.
http://www.cnn.com/2004/WORLD/meast/04/28/iraq.poll/index.html
But note that this survey was done before the most recent violence down there.