By the way, I don't mean to sound confrontational. My main comp is a couple of years old now, but still decent: AMD X2 2.2 ghz, 3GB RAM, 7800GTX (FOC), SB X-Fi and a SATA 10K WD Raptor. Latest BIOS and drivers of course. If I run a second copy of WoW, I can easily notice the difference in action packed areas (of course standing still in some tunnel in IF, it will still always cap at 60). That's why I decided to get 5 machines.

I just couldn't see it being possible to run five on one (without reducing settings on the main), when I can notice the difference with just two. Is my machine just malfunctioning? :P