> The takeaway is that having a headset which is capable of physically producing soundwaves from 7 different directions at once is one of the coolest experiences that any gamer can have.
I'm pretty skeptical as to whether this really requires special headphones. Amazing-sounding recordings made with a binaural head can be played back on normal headphones, after all. It seems more like a signal processing problem.
Sort of analogous to the way Creative used to sell overwrought, overpriced hardware for creating sound effects with EAX when the CPU and signal-processing libraries could have been used to serve the same purposes.