Will My Build Work?

[DCCMuffin]

Will My build work?...
I want to start pc gaming but, well i need a pc that can run games, my idea looks good on paper but will it actually work?
1-Will There Be enough Watts?
2-What Case Can Fit My Build
3- Any comments, suggestions, improvements?
http://ca.pcpartpicker.com/p/8QnkjX
ADDITIONAL INFO:
I also had another build
http://www.tomshardware.com/forum/id-2167422/build-work.html
I can only actually build one which one would be better?

 

[Calnin]

Things to change:

Instead of the 270x 4gb, maybe get a 760 2gb. The 760 is a stronger GPU and the 4gb vram might not be fully used on a 270x.