Wireless gamepads are more convenient, but for latency, copper trumps 2.4GHz. What to do? Build hybrid controllers that can instantly cut the cord. It seems that's what Microsoft's thinking, as the company applied for a patent on just such a controller in March, using infrared, Bluetooth or RF technologies alongside a wired (possibly USB) connection and switch between the two "without permanent disruption to an ongoing game." Of course, dual-mode controllers have been around for months in a slightly different form -- Microsoft's own