In an era of $70,000 Cadillac Escalades, a $50,000 pickup shouldn't be cause for alarm. ALariat spec Super Duty, however, will raise eyebrows not with its window sticker but, rather, its level of refined "tough" luxury. Constituting both interior (Chaparral leather) and exterior (PowerScope mirrors) upgrades, theLariat enhances over-the-road comfort with material, workmanship and appointment upgrades, adding immeasurably to the Super Duty's attractiveness. And, unlike some luxury pickups, there's no intention of appealing��"overtly��"to the Country Club set; this remains a work truck and not a work-in-progress.With its 6.0-liter predecessor, the clattering came from both under the hood and consumer websites. But now Ford has created a diesel offering more power (350 horsepower) and torque (650 pound-feet), along with a cleaner burn, quieter operation and better throttle response (via dual sequential turbos). Add a five-year, 100,000-mile powertrain warranty for peace of mind and you've got a segment-leading package