I am going to upgrade to a GTX 680 from my 7850. Here is what the build will look like. http://pcpartpicker.com/p/2kSL1 Im also getting a new case to fit the 680. BUT will a 600 watt run the 680?
+5V@20A, +3.3V@24A, +12V@49A, -12V@0.3A, +5VSB@3A
+5V@20A, +3.3V@24A, +12V@49A, -12V@0.3A, +5VSB@3A