[quote="mr.miyagi":ac96d]No, I'm using 04.11 Catalyst drivers and no AA.
When it comes to video card drivers I tend to stay away from the Beta's....[/quote:ac96d]
Try the 4.12's they include performance boost for hl2, will probably fix that problem as well.
First install this
[url="http://www.microsoft.com/downloads/details.aspx?FamilyID=262d25e3-f589-4842-8157-034d1e7cf3a3&displaylang=en"]http://www.microsoft.com/downloads/deta ... laylang=en[/url]
Then you can get the driver and the new control panel here
http://www2.ati.com/drivers/wxp-8-08-041110a-019199.exe
http://www2.ati.com/drivers/wxp-catalys ... nglish.exe