Im buying a gaming pc I am a beginner moving from xbox. Is this a good pc. Its$ 479.65 Operating system: Microsoft Windows 7 Home Premium 64-bitProcessor: 3.8GHz Quad-Core AMD FX-4100 Motherboard: AMD 760GSocket: AM3+Cache: 4MB L2Memory: 8GB DDR3 SDRAMHard drive: 1 x 1TB Serial ATAOptical drive: 24x DVD+/- RWGraphics: NVIDIA GeForce GT610 PCI Express x16 (1GB Chassis: Thermaltake Commander Mid-Tower Gaming CasePower supply: 500 Watt - AC 120/230 V (50/60 Hz) Included items: Gamer Ultra GUA250, Xtreme Gear USB Keyboard, Xtreme Gear USB MouseModel: Gamer Ultra GUA250