BugMeNot.com was created as a mechanism to quickly bypass the login of web sites that require compulsory registration and/or the collection of personal/demographic information (such as the New York Times). Legal? Not sure. Here some sites that were requested by others at BugMeNot.com:
www.nytimes.com
www.washingtonpost.com
www.latimes.com
www.ajc.com