New pc Compatible?

Hello fellow geeks, I will be ordering these parts for my new custom PC and was hoping for some assistance to assure myself that it is a legitimate build. I have carefully researched each item and its reviews/ratings and everything seemed to check out. I will be ordering my Pc parts from amazon.com.
Case: Antec three hundred gaming case External 3x
Motherboard:Asus LGA1156 Intel P55 DDR3 ATX P755D
Processor: Intel core i5-750, 2.66ghz 8mb GA1156 box.
CPU cooler: Coolermaster RR-B10-212 P-GI hyper 212
HardDrive: Western Digital 750gb Caviar Black sata 7200rpm 32mb cache
Memory: Corsair CMX46x3MZA1600ca XMS3 4GB PC3-12800 core i5 memory kit.
Video Card: Sapphire Radeon vapor-X HD 5770 1GB DDR5 Pci-Express
Power Supply: Corsair CMPSU-650TX 650 Watts.
Optical Drive: Samsung Internal DVD-W/CD-r Sata 22x lightscribe
I will also be purchasing my OS ( windows 64bit premium ) seperatley aswell as my Anti-virus.
Thank you for your time.