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http://www.driverheaven.net/reviews/r520reviewxvxv/
http://www.beyond3d.com/reviews/ati/r520/
http://www.hexus.net/content/item.php?item=3603
http://www.hardocp.com/article.html?art=ODIy
http://www.extremetech.com/article2...,1867208,00.asp
http://techreport.com/reviews/2005q...00/index.x?pg=1
http://www.firingsquad.com/hardware/...n_x1800_xt_xl/