OK, finally had time to play around with this for a bit...
Settings: 1280x960
All High
Reflect All
4xAA
8xAA
vsync off
CS:S VST: 113.07
Sandtraps: 66.40
Waterhzrd: 73.99
Dust2stress: 71.38
Dust2stresstest2: 79.31
SLI'd 6600GT's - 578 Core/1160 Mem
A64 3500+ (Winch.), 1GB OCZ RAM - Stock (for now

)
EDIT: OC'd CPU/RAM
CS:S VST: 122.83 - 22.69 FPS / 22.8% increase from Stock
Sandtraps: 70.22 - 6.19 FPS / 10.7%
Waterhzrd: 78.89 - 12.38 FPS / 18.6%
Dust2stress: 77.15 - 8.94 FPS / 13.1%
Dust2stresstest2: 83.03 - 8.97 FPS / 12.1%
SLI'd 6600GT's @ 578 Core/1160 Mem
A64 3500+ (Winch.) @ 240x11 (2.6 GHZ), 1GB OCZ RAM @ 2-2-2-7 1T (6:5 divider)