See the endorsement at... http://article.nationalreview.com/?q=YmMxYTUyYzA1YTk2YzE5NGVmNjc0OGFjYWJmNzMzNjI=&p=1

While I haven't made up my mind yet, this editorial gives some good arguments for supporting Mitt Romney.  Who would have ever imagined that National Review would endorse the son of the man who was a major adversary of Barry Goldwater?