Chances are, you put your TV in the most convenient spot based on where the requisite cables are feeding into your abode. And putting a set in a new room usually means someone is breaking out a drill. Well, starting October 31st, AT&T U-verse customers will no longer be constrained by wires! (Besides HDMI and power cords, that is.) The company's new wireless receiver pairs with your AT&T-issued residential gateway and pulls in broadcasts over WiFi. What the provider claims is the first consumer wireless receiver of its type should simplify installation and free customers from the worry of running coax a