hello I recently bought a GeForce 8600 GTS (before the ATI price drop

)
but when i play new games i still cant go all out because it moves in shocks
or the visual quality sucks
my processor: Intel Pentium 4 CPU 3.00GHz, 2GB
i would like to put my motherboard info here but i cant find it
i'm not that good at this side of computers (yet)
can anyone tell me what maybe the/a cause i would be happy to give more information about my pc iff you tell me where to find it
greetz, Y