Hello guyz , mind if I come to ask wisdom from you all?

As in my siggy my spects of my new pc is

E8400
8800GT
P5N-T Deluxe
2x2gb Xms2 6400
320 W.D Hdd
ST56F

OS : Vista Ultimate


Current progress

Crysis : 25-40 fps average at 1680x1050 with some high and medium settings
Unreal Tournament : 30-35 fps with everything maxed out
World In Conflict : 30-40 fps with high settings

3D Mark 06 benchmark scores = 11205

Temperature

Graphic Card i)Idle = 50-53c ii)Game = 70-75c
Cores ii)Idle = 45-50c ii)Game = 65-68c

Alright guyz.... what simple OC that I can use utilize to improve my pc performances?

*NooBie Alert*