I've been using synergy, literally, since the year 2000. I used to play a lot of first person shooters and over that time I never had a latency issue with using

I've been using synergy, literally, since the year 2000. I used to play a lot of first person shooters and over that time I never had a latency issue with using a mouse/keyboard on my old computer to play games on my new computers (over ethernet). No perceptible difference.