I am going to sound like such a newbie but..

[monster_munch]

I have recently bought a graphics card from OVERCLOCKERS.co.uk it is a PNY NVIDIA 8800 GT 512 MEGABYTES.

How do you overclock it?

Sorry x

 

[romperstomper]

you need software such as rivatuner !

 

[Kelt]

Or nvhardpage...but riva is best