Ok, so I have a 3100 SQ FT, 2 story home, my xbox is downstairs (Primary gaming/latency requirments) Which I stream netflix off of. I have a Fios connection. The router/modem is upstairs. For some reason Wireless seems shaky with it. I bought one of those Lynksis adapters that uses electrical lines to hard wire my 360. Will those affect my connection speeds at all?
Also, lets say I'm going modem to router, to a router, every time I add an additionaly router will I notice any kind of latency effects from doing so? If I'm not losing any latency with the device using the power lines, or If I ever get around to running a hard cable downstairs, I had thought of adding another router down there.