After pulling my hair out with indecision, I settled on a choice many folks call the "Pizza Cutter" size: the tall and skinny 255/85R17 Mickey Thompson Baja Boss A/T. The general wisdom says bigger is better, but this narrow profile is engineered to be a premium extreme hybrid all-terrain tire with an E-rated sidewall that promised performance, longevity, and a 50,000-mile treadwear warranty. Now that we've clocked 5,000 hard miles, including an eye-opening stint at the Ouray