gan, ane mau rakit pc nih, minta saran master master ya kekurangan atau kelebihannya

- Intel Core i5 2500K 3.3Ghz Cache 6MB [Box] Socket LGA 1155 - Unlocked (Rp 2085000)
- ASRock Z77 Pro3 (LGA1155, Intel Z77, DDR3, USB3, SATA3) (Rp 1063000)
- Seagate 2TB SATA3 - 7200 RPM Rp 1,022,000
- Patriot DDR3 Viper 3 Intel Series Dual Channel PC12800 8GB CL9 - PVI3 8G 160 C9K (Rp 467000)
- Seasonic S12II-520 520W - Bronze (Rp 650000)
- Asus Geforce GTX 660 2048MB DDR5 DirectCU II Rp 2,785,000
- Thermaltake Commander MS-I - VN40001W2N Rp 548,000

kira-kira kalo spek gitu kelebihan ga buat misalnya main game2 kelas berat?
mohon pendapatnya ya master master