What are the best Settings for me?

[blyndside 0]

Okey, so am getting about 20- FPS constantly.

I have a 8600GT & AMD Phenom II X6 3.2 GHz

4gbs of Ram

I recently enabled all my cores on my Phenom, as previously i was using only 4, once activated the 6 it boosted my fps to 25 but it can still go straight down to 15-20 in most areas.

I know it's nothing fancy, i don't really mind playing with 20FPS but if there is a way to up it with my current rig that anyone knows would really appreciate.

Example - What graphic options should i have? Currently i have everything on low, and memory on default.

No post processing/AA/Shadoows all disbled.

Also am not rollin in money, so the "Buy a new GFX" leave it at the door.

-Also am using gamebooster.

[blyndside 0]

Anyone any ideas?