Sennheiser is a name that needs no introduction in the world of audio, but PC gamers might not be aware of its premium gaming headsets for those who have high audio standards and deep pockets. According to Sennheiser, the PC 373D headphones (See it on Amazon) are "Hands down Sennheiser’s best headset for PC gaming," and at a $250 MSRP they better be, as that's about $100 more than similar high-end headsets from Razer, Logitech, et al.