Video card configuration issues ahoy! Go to the Nvidia 3D contol panel and:
Set Anti-Aliasing and Anisotropic Filtering to 'Application Controlled'.
Ensure Anti-Aliasing - Transparency is 'Disabled'
Set Mutli-display/mixed-GPU acceleration to 'Single display performance mode'
Set Negative LOD Biad to 'Allow'
Set VSYNC to 'Disable'
See if that helps.
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Currently playing: GTA IV (PS3) & Devil May Cry 4 (PC).
Favourite Game of All Time: Streets of Rage II (MegaDrive)

Intel C2D e6700 @ 3.33GHz |Gigabyte - GA-EP45-DQ6 | MSI NVIDIA GeForce GTX 280 1GB
2x Raptor 36GB in RAID0 (OS), 5x Seagate 250GB in RAID5 (1TB Storage)
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