I never overclock any part of my PC. If i want a faster CPU or a faster Graphiccard, i buy it.
My Battlefield 2 graphic settings are:
Resolution: 1024x768@60Hz (on a BenQ TFT-Monitor 17")
Quality: High
Terrain: High
Effects: High
Geometry: High
Textures: High
Lighting: Normal
Dynamic Shadows: Normal
Dynamic Light: Normal
AntiAliassing: Off
Texturesfilter: High
Viewrange: 100%
I have a AMD64 3500+ with 1GByte Corsair DualChannel Ram.