As many might know, there are a lot of graphical errors in Tactical Ops when you use Unreal Tournament X p3, but with these ini files it will make everything as good as it is in Classic.
These settings fix sniper scopes, menubar glitches, skies that are wrong, and you can play with higher textures and it still won't lag as much as before!
Read the rest of the article for the MacDrv.MacClient and OpenGLDrv.OpenGLRenderDevice settings...
[MacDrv.MacClient] WindowedViewportX=1024 WindowedViewportY=768 WindowedColorBits=16 FullscreenViewportX=1024 FullscreenViewportY=768 FullscreenColorBits=32 Brightness=0.700000 MipFactor=1.000000 UseDirectDraw=True UseJoystick=False CaptureMouse=True StartupFullscreen=True CurvedSurfaces=False LowDetailTextures=False ScreenFlashes=False NoLighting=False SlowVideoBuffering=True DeadZoneXYZ=True DeadZoneRUV=False InvertVertical=False ScaleXYZ=1000.0 ScaleRUV=2000.0 MinDesiredFrameRate=30.000000 Decals=True NoDynamicLights=True JoySpeedX=12.000000 JoySpeedY=12.000000 DeadZoneX=0.000000 DeadZoneY=0.000000 Doubled=0 Skipping=0 OSTime=0 Speech=False WindowY=127 WindowX=224 IgnoreCmdKeys=0 ParticleDensity=0 NoFractalAnim=False SkinDetail=Medium TextureDetail=Medium [OpenGLDrv.OpenGLRenderDevice] Translucency=False VolumetricLighting=False ShinySurfaces=False Coronas=False HighDetailActors=True MinLogTextureSize=0 MaxLogTextureSize=10 MaxLogUOverV=10 MaxLogVOverU=10 UseMultiTexture=0 Texture32Bit=1 DoPrecache=0 DescFlags=0
Mac OS X Hints
http://hints.macworld.com/article.php?story=20030419155345583