Hi guys, let me start by saying I am a total noob at building computers and trying it for the first time 
I have spent a while reading on how its done and from the little I know, heres what iv managed, please advise.
BTW, I want this as a Gaming PC that I can use to play all games for next 3-5years on max settings on the 16:10 equivalent of 1920x1200.
Case:
Corsair Obsidian 650D Gaming Midi Tower - Black
£119.99
CPU:
1) Intel Core i5-2500K 3.30GHz (Sandybridge) Socket LGA1155 Processor
£172.99
OR
2) Intel Core i7-2600K 3.40GHz (Sandybridge) Socket LGA1155 Processor
£239.99
- I want to overclock to 4GHz minimum
Motherboard:
Asus P67 Sabertooth Intel P67 (Socket 1155) DDR3 Motherboard ** B3 REVISION **
£151.99
CPU cooler:
Corsair Hydro H50-1 High-Performance Liquid CPU Cooler (Socket LGA775/1155/1156/1366/AM2/AM3) [CWH50-1]
£57.98
Memory:
Corsair Vengeance 8GB (2x4GB) DDR3 PC3-15000C9 1866MHz Dual Channel Kit
£59.99
Power supply:
Corsair Professional Series AX750 High Performance 750W Modular '80 Plus Gold' Power Supply
£146.98
Graphics card:
Gainward GeForce GTX 570 Phantom 1280MB GDDR5 PCI-Express Graphics Card
£275.99
- want to SLI in future.
SSD/HDD:
Corsair Force GT 60GB 2.5" SATA 6Gb/s Solid State Hard Drive
£109.99
AND
Hitachi Deskstar 7K3000 2TB SATA 6Gb/s 64MB Cache 7200RPM - OEM
£79.99
Total: ~ £900, which is about budget, i dont mind spending a little extra if theres a big gain.
I have everything else.
thanks ppl!

I have spent a while reading on how its done and from the little I know, heres what iv managed, please advise.
BTW, I want this as a Gaming PC that I can use to play all games for next 3-5years on max settings on the 16:10 equivalent of 1920x1200.
Case:
Corsair Obsidian 650D Gaming Midi Tower - Black
£119.99
CPU:
1) Intel Core i5-2500K 3.30GHz (Sandybridge) Socket LGA1155 Processor
£172.99
OR
2) Intel Core i7-2600K 3.40GHz (Sandybridge) Socket LGA1155 Processor
£239.99
- I want to overclock to 4GHz minimum
Motherboard:
Asus P67 Sabertooth Intel P67 (Socket 1155) DDR3 Motherboard ** B3 REVISION **
£151.99
CPU cooler:
Corsair Hydro H50-1 High-Performance Liquid CPU Cooler (Socket LGA775/1155/1156/1366/AM2/AM3) [CWH50-1]
£57.98
Memory:
Corsair Vengeance 8GB (2x4GB) DDR3 PC3-15000C9 1866MHz Dual Channel Kit
£59.99
Power supply:
Corsair Professional Series AX750 High Performance 750W Modular '80 Plus Gold' Power Supply
£146.98
Graphics card:
Gainward GeForce GTX 570 Phantom 1280MB GDDR5 PCI-Express Graphics Card
£275.99
- want to SLI in future.
SSD/HDD:
Corsair Force GT 60GB 2.5" SATA 6Gb/s Solid State Hard Drive
£109.99
AND
Hitachi Deskstar 7K3000 2TB SATA 6Gb/s 64MB Cache 7200RPM - OEM
£79.99
Total: ~ £900, which is about budget, i dont mind spending a little extra if theres a big gain.
I have everything else.
thanks ppl!