Here's an article from the AP covering the Pew Research Centers findings on the real role of "moral values" in voting choice. Turns out, when open source polling was done, and people had to come up with their own answer, very few people said "values."
http://story.news.yahoo.com/news?tmpl=story&u=/ap/20041112/ap_on_el_pr/voters_moral_values
As if we needed another reason to be skeptical of polls - this would indicate to me that we need to worry much more about building a strong, concise national message with vision and optimism for what Democrats stand for than pandering to the center-right.