i have the latest verson of nvidia drivers from laptop2go.com and the circle that shows the castable area of special attacks doesn't show up. oddly enough, with previous versions of drivers it does.

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System Information
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   Operating System: Windows Vista™ Home Premium (6.0, Build 6001) Service Pack 1
           Language: English (Regional Setting: English)
System Manufacturer: -
       System Model: N/A                                           
               BIOS: Ver 1.00PARTTBL
          Processor: Intel(R) Core(TM)2 Duo CPU     T7300  @ 2.00GHz (2 CPUs), ~2.0GHz
             Memory: 2046MB RAM
          Page File: 1095MB used, 3232MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 10
DX Setup Parameters: Not found
     DxDiag Version: 6.00.6001.18000 32bit Unicode

Display Devices
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        Card name: NVIDIA GeForce 8600M GT
     Manufacturer: NVIDIA
        Chip type: GeForce 8600M GT
         DAC type: Integrated RAMDAC
   Display Memory: 1269 MB
 Dedicated Memory: 501 MB
    Shared Memory: 767 MB
     Current Mode: 1280 x 800 (32 bit) (60Hz)
          Monitor: Generic PnP Monitor
      Driver Name: nvd3dum.dll,nvwgf2um.dll
   Driver Version: 7.15.0011.7792 (English)
      DDI Version: 10
Driver Attributes: Final Retail
 Driver Date/Size: 8/15/2008 06:22:00, 5959680 bytes