High-end mobile VR is virtually here

Wheeeee! You're riding a flying unicorn down a magic rainbow while kittens and cupcakes rain from the sky. It's all so real.
Then, suddenly, everything goes black as you mindlessly take the final step in your living room to pull the cable from your virtual reality headset.
Bummer.
There's a virtual elephant in the living room, and here it is: High-quality virtual reality is going to be literally held back by the need to tether to a console.
Last week's Electronic Entertainment Expo (E3) in Los