As requested, here is the benchmark information for my PC using Panorama.

The card is: EVGA GeForce GTX 460.

ACPI was installed and running. I also benchmarked without ACPI, but the results were similar.

Video data
Resolution         = 1280x800x32 bits/pixel
Number planes      = 0
Screen Access      = Direct
Bank Switched      = No
Bytes/scanline     = 5120
Aperture size      = 4194304
Manufact. code     = 4318
Chipset code       = 4613

 Graphics
   BitBlt S->S copy      :       24.634    Million pixels/second
   BitBlt M->S copy      :       24.805    Million pixels/second
   Filled Rectangle      :       49.707    Million pixels/second
   Pattern Fill          :       46.581    Million pixels/second
   Vertical Lines        :       18.165    Million pixels/second
   Horizontal Lines      :       19.009    Million pixels/second
   Diagonal Lines        :       18.156    Million pixels/second
   Text Render           :       18.709    Million pixels/second
   -----------------------------------------------------------------------
   Total                 :       25.264    PM-Graphics-marks


 Direct Interface to video extensions - DIVE
   Video bus bandwidth   :       96.784    Megabytes/second
   DIVE fun              :      336.226    fps normalised to 640x480x256
   M->S, DD,   1.00:1    :      335.308    fps normalised to 640x480x256
   -----------------------------------------------------------------------
   Total                 :      125.038    DIVE-marks