Motherboard and Power supply for my build

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I need help with picking a motherboard and power supply for pc. im going to be building for gaming. 

This is my first build and I am on a budget of $800 

 

the first thing i would do is change that 660 to a 7850/7870 and at any point do you plan to use multiple GPUs, if no get a 970 board which i would say ASRock extreme 3 or 4 if yes get a 990FX board in which case i reccomend the Biostar TA990FXE

Good? http://www.newegg.com/Product/Product.aspx?Item=N82E16814127663

http://www.newegg.com/Product/Product.aspx?Item=N82E16814161404

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102999

get either one of those instead