Not that I know anything about this subject, but I came across the following review and its interesting hearing someone's opinions on this subject, specially with all that's gong on GM right now.
http://icantseeyou.typepad.com/my_weblog/2009/05/ford-gave-me-a-lincloln-2009-mks-to-drive-for-five-days-here-are-my-findings.html