First time pc build need recommendations

[Rexex]

you win i guess, guess it depends which R7970, i got the XFX black edition, twin fans, thermal cooling system, everything i have read says that it runs about 20 C less then the GTX;s

 

[Rexex]

What is the idle/running temps of the 670? cause mine runs 29-30 C idle and never above 50C under load