Looking for "Certified" Used Car? Volkswagen is Best

Interesting article regarding the use of "certified used car" status. The manufactureres get rated on everything from Warranties to inspections. I'm in the market for a used truck right now.
Volkswagen's certified used car program was ranked best among non-luxury brands by IntelliChoice in rankings released Monday. Honda's was rated as second among non-luxury brands. Mazda, DaimlerChrysler's Chrysler, Dodge and Jeep brands and Ford rounded out the top five among non-luxury brands.
Jaguar's was rated as the best among luxury brands while Cadillac's was rated as second. This marks the first time in the six years IntelliChoice has been publishing the annual rankings that Cadillac finished in the top five.