What is the best ati radeon 5850 drivers for flight sim x

[pissimi]

My ati radeon 5850 has been giving me some problems with flight sim x even if its performance is outstanding , weird stuff is going on with the scenery probably it is a driver problem enyone can help???

 

[Maziar]

What drivers are you currently using ?

 

[unknown_13]

Make sure you don't use any 9.x driver.