The following cars represent the most technically advanced available.
Comfortable, high-tech, and fairly efficient, the Audi RS 7 is a total-package car with a healthy dose of horsepower.
The 2013 Chevrolet Sonic RS may not be a true hot hatchback, but it brings good, forward-thinking tech and great value to the B-segment.
The 2013 Audi RS 5 is an exceptional sports coupe that balances its, frankly, brutal performance with some of the best dashboard tech in the business.
The 2012 Audi TT RS could be a brilliant sports car, but the 6-year-old TT generation on which it is based means outdated cabin tech and some inferior tuning.
The RS 170 continues Sennheiser's unchanging dedication to sonic clarity and they're well worth the price for anyone looking to grab wireless sound from a TV, AV receiver, cable box, or game console.
The Sennheiser RS 180's sound is competitive with similarly priced wired headphones, which should make the RS 180 irresistible to audiophiles seeking to cut the cord.
The Sennheiser RS 220 is one of the best-sounding wireless headphones on the market, but its super sonics don't offset its ambitious price tag when other models in the same line offer similar performance for less.
Despite a less-than-perfect connector design, the Black Rapid Sport Slim RS-Sport 2 is a great sling strap for people with more important things to do with their hands when they're not shooting.
Audi's RS Q3 is a silly, silly car. It's a small SUV with 306bhp and zero to 62 time that puts many others to shame. However, I wonder whether it's the best it can be.
With no real smarts and relatively little actual cleaning power, this sad robot is borderline useless.