I Am Building A New PC And I Need Some Help Picking Out The Parts?

RandyWhatever

Honorable
Jan 12, 2014
7
0
10,510
I already have an Intel i5 4670k, Cooler Master Hyper 212 EVO, Corsair Vengeance 8gb (2 x 4gb), Western Digital 1tb Caviar Blue, Samsung 840 PRO Series 128gb, MSI GeForce GTX 760 2gb, and ASUS DRW-24B1ST. Also, should get the MSI Z87-G45 or MSI Z87-GD65? Also, I wondering what case should I get? Also, I was wondering what power supply should I get? Also, I was wondering what operating system should I get? Windows 7 Home Premium SP1 (OEM) (64-bit), Windows 8 (OEM) (64-bit), or Windows 8.1 - (OEM) (64-bit)?