this mobo good for overclocking :
GA-MA790FX-DQ6 http://www.hardocp.com/article/2008/01/18/gigabyte_gama790fxdq6/
i think ..... will be better upgrade mobo upgrade Ram too , now DDR3 is Cheap ... you can choice AM3 (chipset 890FX) or mobo Am3+ , just my opinion