ATI http://www.neoseeker.com/Articles/Hardware/RepCatalyst 6.8 Performance Comparison
 

Neoseeker has published a mini report covering benchmark performance of the Catalyst 6.8 drivers released today. This mini report was done using a Core 2 Duo E6700 with X1900XT on several game titles that are listed as having performance improvements in ATI's Release Notes for Catalyst 6.8. So if you are interested in some independent testing comparing Catalyst 6.7, 6.8 and older 6.4's versus ATI's Release Notes claims