Overclocking Utility

[ooral]

Guys,

I have Vista Ultimate 64 and 2 Gtx's, ATIToll won't work on my system, which overclock utility should I use?

How much of an increase should I expect on the cards?

Thanks in advance!

Cards: http://www.scan.co.uk/Products/ProductInfo.asp?WebProductID=611289

 

[itotallybelieveyou]

rivatuner

 

[Maziar]

RIVATUNER :
http://downloads.guru3d.com/download.php?det=163

And here is how to work with it :
http://www.guru3d.com/article/article/449/

 

[ooral]

Thanks for the quick help guys, couldn't remember the name of the other one!