Apple MacBook Pro 13 with Retina vs Lenovo ThinkPad X1 Carbon

Digital TrendsApple MacBook Pro 13 with Retina vs Lenovo ThinkPad X1 CarbonDigital Trends... with function keys that change their purpose depending on the program you're using. Does this mean that professionals should pick up the new Lenovo ThinkPad X1 Carbon, or is the Apple MacBook Pro 13 with Retina still the king of high-end notebooks?