(adsbygoogle = window.adsbygoogle || []).push({}); This is what I got so far, please give suggestions on which parts to upgrade/downgrade.

CPU: Intel Sandybridge i5-2500K Unlocked Core i5 Quad-Core Processor (3.30GHz, 6MB Cache, Socket 1155): Amazon.co.uk: Computers & Accessories
Mobo: ???
Case: ???
PSU: ???
Ram: G-Skill 8GBXL Ripjaws X for Intel Sandybridge Platforms DDR3 PC12800 1600MHz 8GB Kit: Amazon.co.uk: Computers & Accessories
GPU: Asus 1GB GeForce GTX 560TI DirectCUII PCI-E Graphics Card: Amazon.co.uk: Computers & Accessories
Cooler: ???
SS ???

I need you guys to help me fill in the missing components and give me advice on what else I need. Thanks (I already have a hard drive btw).

My budget is £600 (can go £700 if REALLY good deal) and I wanna play latest games on very high - ultra.