My settings:
Ambient Occlusion: Use Global Setting (Off)
Anisotropic Filtering: Use Global Setting (Application-Controlled)
Antialiasing - Gamma Correction: Use Global Setting (Off)
Antialilasing - Mode: Use Global Setting (Application-Controlled)
Antialiasing - Setting: Use Global Setting (Application-Controlled)
Antialiasing - Use Global Setting (Off)
CUDA- GPUs: Use Global Setting (all)
Maximum Pre-Rendered Frames: Use Global Setting (3)
Multi-Display/MixedGPU Acceleration Use Global Setting (Multiple Display Performance Mode)
Power Management Mod: Use Global Setting (Prefer Maximum Performance)
Texture Filtering - Anisotropic Sample Optimization: Use Global Setting (Off)
Texture Filtering -Negative LOD Bias: Use Global Setting (Allow)
Textrure Filtering - Quality: Use Global Setting (Quality)
Threaded Optimization: Use Global Setting (Auto)
Triple Buffering: Use Global Setting (Off)
Texture Filtering Anisotropic Filter Optimization: Off
Vertical Sync: Use Global Setting (Use the 3D application setting)
The results:
CLICK
Game completely playable. FPS between 15 and 25 but smooth, no stutter.
(patch announced for April 14 not installed yet)
(see specs below)