I would like someone to just check this, and tell me if I'm ready to buy this or should make some changes
Case: Corsair Carbide 300R Mid-Tower Gaming Case w/ front USB 3.0
CPU: Intel® Core™ i5-4670K Quad Core 3.40 GHz 6MB Cache LGA1150
Cooling Fan: Corsair Hydro Series H60 High Performance Liquid Cooling system w/ 120mm Radiator
Motherboard: GIGABYTE H81M-D2V Intel H81 Chipset, Micro ATX Mainboard w/ 2 RAM slots, 7.1 HD Audio, GbLAN, USB 3.0, SATA-III, 1x Gen2 PCIe x16, 2x PCIe x 1
Memory: 8GB (2x4GB) DDR3/1600mhz Dual Channel Memory (Kingston HyperX Blu w/Heat Spreader)
Video Card: AMD Radeon R9 290 4GB 16X PCIe Video Card
Power Supply Upgrade: 750 Watts Power Supplies (Corsair 750 Watts CX750 Gaming Power Supply, 80+)
Hard Drive: 128 GB Plextor PX-M5S Series SATA III Gaming MLC Solid State Disk
Data Hard Drive: 1TB SATA-III 6.0Gb/s Cache 7200RPM Hard Drive
Optical Drive: 24X Double Layer Dual Format DVD±R/±RW + CD-R/RW DRIVE
Operating System: Microsoft® Windows 8.1 (64-bit Edition)