New gaming rig

[Spinning Welshman]

Ok, I'm in the process of planning out a new build to bring me up to date with modern gaming, and so far I have this setup planned:

CPU: INTEL Core i5 Ivy Bridge 3570K

RAM: Corsair 1600mhz 2x 4Gb

Video: AMD Radeon HD7850

Motherboard: GIGABYTE GA-Z77X-D3H (trying to work out whether I need this, or can go with the cheaper GA-Z77-D3H)

Is this a good build? This will be my first time assembling a computer myself, so I'm nervous of making a costly mistake, and with the amount of reading I'm doing It feels like all the numbers are blending together.

Anyway, I'll really appreciate and advice or criticisms you have.

 

[DeusAres]

In order to assist you better, you'll need to provide us with more information. To make things easy, copy and paste the template into your post and edit the examples to suit your needs:

http://www.tomshardware.com/forum/353572-31-build-upgrade-advice

 

[computernoob29]

whats your budget

 

[Spinning Welshman]

Attempted to edit OP to come into line with DeusAres suggestion, but the website refused to let me edit my post, and after I spent ages filling out the template.

Anyway, budget is 550-600 Euro, And I'm re-using the shell of my old system (monitor, harddrives, PSU) PSU is a G7 Power Extreme at 680 watts.

 

[DeusAres]

Alright then, that's really all we needed to know. Thank you.

Judging from your username and currency, I'm going to assume you are in the UK area. Is this correct?

Here's my build recommendation...

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3570K 3.4GHz Quad-Core Processor (£163.99 @ Aria PC)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler (£26.65 @ Scan.co.uk)
Motherboard: ASRock Z77 Pro3 ATX LGA1155 Motherboard (£72.00 @ Amazon UK)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory (£32.26 @ Amazon UK)
Video Card: Gigabyte Radeon HD 7870 2GB Video Card (£185.70 @ CCL Computers)
Total: £480.60
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2012-12-18 19:26 GMT+0000)

Will you need a case? Or are you going to re-use your old case? Also, do you need an optical drive and an operating system?