i like this config works pretty good for what the games offering interms of contorles any way
Title=killzone 2
[Configuration]
InputDevice=MouseKeyboard
MouseDeadZone=0
MouseUpdateFrequency=1.2
AnalogStickOnRight=True
AnalogStickDeadZoneFind=False
[AnalogStick]
DeadZone=40
DeadZoneType=Circular
YXRatio=2.0
TranslationExponent=0.3
SensitivityPrimary=20
SensitivitySecondary=15
SensitivityToggle=KeyAt
Smoothness=0.4
[DigitalStick]
Up=KeyW
Left=KeyA
Right=KeyD
Down=KeyS
SensitivityPrimary=1.0
SensitivitySecondary=0.6
SensitivityToggle=KeyCaptial
this works well with a 4000dpi mouse and the ingame sensitivy turend all the way up on both the x and y