Current system specs, Sapphire Radeon NITRO R9 380 4GB, I5 2500k, Motherboard Asus P8H61-M LE/CSM r2.0, Ram is 2 4GB sticks of ddr3 rip jaw ram,and a diy pc case I have a price range of 300 I wanted to get a better GPU, and case I wanted a case with a very clear side panel to see everything , I...