Ok, could you send me screenshots from your PC with this position in ZRH airport? I'd like to compare it with mine to understand what I can't to see...
Since any possible difference can only be caused by a difference in your settings (either video settings or FSX settings) a screenshot taken with different settings will not be very useful, even if there were any differences.
As I've said, try the following:
- Reset your video card settings to default. Then activate Anisotropic filtering at 16x, forcing the setting instead of accept the application-controlled setting.
- Be sure FSX global texture slider is set to maximum. Enable HD textures in the Addon Manager (won't affect any other scenery than KLAX, though)
- Try to use THIS website to create an optimized FSX.CFG for your system:
http://www.venetubo.com/fsx.html