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...