First amd http://pcpartpicker.com/user/mshannonjr7/saved/2etV? Intel http://pcpartpicker.com/user/mshannonjr7/saved/2mbQ? Or second amd http://pcpartpicker.com/user/mshannonjr7/saved/2mwD?
Just note the AMD builds will likely run hotter than the Intel and will suck down more power. Also the AMD chip isn't as fast as the Intel when you're talking about lightly threaded apps. Anything that can utilize the extra cores will be great though.
However, in games, the 7970 will definitely provide a better experience over the GTX 760, even with the slightly weaker processor.
For the psu, this is a much better one: http://pcpartpicker.com/part/xfx-power-supply-p1550sxxb9