Last year Dell showed off Concept Nyx, its vision for a server that could let you play games on screens throughout your home. Perhaps you could start a game on your bedroom TV and then continue it in your living room — and if someone else was using that set, you could also share that larger screen. I'll admit, I was far from sold on the idea, especially after Engadget's Cherlynn Low and I were forced to go head-to-head in two separate Rocket League windows on a single TV screen. It looked...