The UK "Sold Secure" website, and the Dutch "ART" websites list the results of their certification programs for locks, which are based on actual testing, not opinions. If you search "Bike Forums" for "ART" and "Sold Secure" you should be able to locate their URL's.
The only locks that are widely available in the USA that get top ratings from both "Sold Secure" and "ART" are the Kryptonite New York U-lock, and Fahgettaboudit chain, and the OnGuard Brute U-lock and the OnGuard Beast Chain.
If you park an expensive bike in New York, or on a college campus, you might want to combine one of those U-locks with one of those chains. That combination might weigh more than Lance's bike, but, security has a price...