I will try your suggestions out tomorrow and see what happens. I'm using an nVidia GTX460 (HIS brand).
other components are rather standard, if there is such a thing ?
I thought it was maybe more Win users, maybe Win7 64bit in particular, as I don't have any exotic stuff. Yes running SSD which is stardard now a days, on 2556x1600 dual screen, but thats expected in this industry, but that's about it.