With 620 horsepower, Porsche boasts that the 911 GT2 RS is the most powerful Porsche ever. Twin turbos help wring power out of a 3.6-liter flat six cylinder engine. Limited to 500 production models, the 911 GT2 RS costs $245,000.
Do you know what an OLED TV is?
CNET explains how OLED technology differs from regular TVs, and what you need to know to make the right shopping decision.