In terms of FSX performance, my newly added ASUS HD 6970 Direct CU II graphic card is just slightly better than my previous ASUS Matrix HD 5870.  However, it does bring a better image quality and a much cooler and quiet environment to my system.  Moreover, the card allows connection up to six monitors, giving me flexibility when planning for future multi-monitor system upgrade.

The Radeon driver I am using is the latest 11.11 (updated on Nov-28).   Despite the new features come with the new driver, the Mipmap Detail Level option in 3D Application Settings was gone for the HD 6970.    Moreover, the Wide-tent and Narrow-tent filters of Anti-Aliasing were combined into one Edge-detected filter.

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