Date / Time: 9/29/2003 3:05:23 AM (186175235ms)
1700MHz, 1024MB, 128M nVidia GeForce4 Ti4600 (DeviceID=0x0250) Driver=188.8.131.5223 Shader=1.3
E:\games\halo\halo.exe -timedemo (Version=184.108.40.2064)
Average frame rate=23.58fps
A friend of mine got a few fps boost by forcing halo to use pixel shader 1.1 rather than his cards supported 1.3
He says it didn't make a large amount of visual difference. A test with my system didn't yield much increase for me.