Is my desktop good for gaming? Im new to this build thing

Badhair17

Honorable
May 23, 2012
2
0
10,510
i7-3770K 4x3.5GHz/8MB L3 Cache

ARC Dual Silent Performance Fans/Push-Pull

Memory-8GB 2x4 DDR3-1600 Corsair

Video Card-AMD Radeon HD 7770 1GB

Motherboard-ASUS P8z77-V LX

Intel Smart Response Tech-SSD Cache-40GB 320 series

1 TB Hard Drive 7200 RPM 6.0Gb/s

Im planning on also maybe getting a 700 watt? if that sufficient enough. I hope you guys can help me.