FIRST GAMING BUILD READY! What do you think?

This build is mostly for gaming and video editing. This is my very first time I will build my first PC. Tell me what you think!  
Thanks in advance! ~

MoBo: GIGABYTE GA-H67M-D2-B3
CPU: Intel Core i5-3570 3.4GHz Quad-Core Processor
Memory: Kingston 16GB (2 x 8GB) DDR3-1600 Memory
Storage: Seagate Barracuda 3TB 3.5" 7200RPM Internal Hard Drive
Video Card: Zotac GeForce GTX 660 Ti 2GB Video Card
Case: Thermaltake Commander MS-I ID ATX Mid Tower Case
Power Supply: Thermaltake Smart 530W 80 PLUS Certified ATX12V Power Supply
Optical Drive: Samsung 22x SH-S223 SATA
Operating System: Microsoft Windows 7 Home Premium SP1 (OEM) (64-bit)