Is this a decent build for a light gamer, I'm going add a 6850 after. budget of £400 (£450 max)
case: Corsair Carbide Series 300R Black Mid Tower Gaming Performance Case with USB 3.0, w/o PSU
Mobo:MSI Z77A-G41, Intel Z77, S 1155, DDR3, SATA III - 6Gb/s, RAID, PCIe 3.0 (x16), D-Sub/ HDMI, ATX
CPU: Intel Core i3 2120, S1155, 3.3GHz, 5GT/s, HD2000 IGP 850Mhz, 3MB Cache, Core R 33x, 65W, Retail
RAM:8GB (2x4GB) Corsair XMS DDR3 PC3-10666 (1333), Non-ECC Unbuffered, CAS 9-9-9-24, 1.5V
OPTICAL DRIVE: Samsung WriteMaster SH-S222BB/BEBE 22x DVD±R, 12x DVD±R, DVD+RW x8/-RW x6, SATA, Black, OEM
SSD: 120GB Sandisk Extreme, 2.5" SSD, SATA III - 6Gb/s, Read 550MB/s, Write 510MB/s, 83000 IOPS Max.
PSU: 650W Powercool PC650UM, Modular, 80%Eff', 80 PLUS, SLI/CrossFire, EPS 12V, 120mm Quiet Fan, ATX v2.2/3, PSU
any suggestions will help