i want to overclock my xfx 9500gt i used evga precision to overlclock my gpu i overclocked my gpu from 550mhz to 650mhz..shader clock 1375 to 1625..and memory clock from 400 to 470 ..currently my temp is 47c when i play games my temp is 54c..can can overclock it further..my card is only 2months old