I have 3 PS3's, 1 wired and 2 wireless. 2 laptops both wireless and 2 desktop PCs both wired. They all link to my Sky router(the one that looks like a small Sky HD box) and I have no problems at all.
Sitting in the garage at the moment so the WiFi signal has to travel through 4 walls in the house plus the garage wall, a total distance of about 20 meters.
Here's the results of a speed test I just did.
http://www.speedtest.net/result/1171702586.png
Here's the results of a Ping test I just did.
http://www.pingtest.net/result/35365269.png
