Processor: Intel core i5 2500k £172.30
Graphics card: ati radeon hd 6850 or nvidia gtx 570 or 560ti
RAM: 8GB DDR3 RAM £35.98
Motherboard: ? £149.98
Power supply: ?
Optical drive: ?
I've filled in what I am going to buy already, now just for the other parts (filled in with a question mark)? Which do you recommend me? Also keep in mind I'd like the price to remain under or close near £600.