It's a geek thing ...
Frame Rate = Life
if I could overclock/tweak my monitor's refresh rate over the manufacture's Specs (and lock every rate at non-interlaced) I probably would. But really the monitor is not effecting Performance with V-Sync off, so there would be no point. If you were tweaking for image quality, then you would probably do things that would lower Performance or FPS.
It would seem that the Fish like a higher Front Side Bus Clock Speed more than a higher CPU clock speed or memory bandwidth.
rick