The driver can be found here: http://support.amd.com/us/kbarticles/Pa ... otfix.aspx
As promised we’ve updated the ATI Catalyst 10.4 preview to the ATI Catalyst 10.4a preview driver which includes the Battlefield: Bad Company 2 performance improvements for the ATI Radeon HD 4000, ATI Radeon HD 3000, and ATI Radeon HD 2000 Series of products.
ATI Catalyst™ 10.4a Preview features:
The ATI Catalyst 10.4a Preview provides resolution for the following issue:
* Long load times for new maps in Battlefield: Bad Company 2 when using a Windows 7 / Windows Vista based system with an:
o ATI Radeon HD 5xxx series graphics card
o ATI Radeon HD 4xxx series graphics card
o ATI Radeon HD 3xxx series graphics card
o ATI Radeon HD 2xxx series graphics card
* The XP driver is provided only as an early look of Catalyst 10.4