This has some more power than Randomness's build, and not for a whole lot more.

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i3-4130 3.4GHz Dual-Core Processor (£77.99 @ Aria PC)
Motherboard: Asus H81M-A Micro ATX LGA1150 Motherboard (£40.57 @ Scan.co.uk)
Memory: Patriot Signature 4GB (1 x 4GB) DDR3-1333 Memory (£26.31 @ Ebuyer)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive (£42.73 @ Aria PC)
Video Card: EVGA GeForce GTX 750 1GB Video Card (£84.99 @ Amazon UK)
Case: BitFenix Comrade ATX Mid Tower Case (£28.04 @ Aria PC)
Power Supply: EVGA 430W 80+ Certified ATX Power Supply (£29.51 @ CCL Computers)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£81.73 @ Amazon UK)
Total: £411.87
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-21 22:38 BST+0100)

Don't forget a monitor if you don't have one yet!

This will be fine for light gaming like minecraft.
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Pentium G3220 3.0GHz Dual-Core Processor (£39.59 @ Aria PC)
Motherboard: MSI H81M-P33 Micro ATX LGA1150 Motherboard (£32.05 @ Aria PC)
Memory: Patriot Signature 4GB (1 x 4GB) DDR3-1333 Memory (£26.31 @ Ebuyer)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£40.09 @ Aria PC)
Video Card: PowerColor Radeon HD 7770 GHz Edition 1GB Video Card (£66.20 @ CCL Computers)
Case: BitFenix Merc Alpha (Black) ATX Mid Tower Case (£32.90 @ Amazon UK)
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply (£36.04 @ Amazon UK)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£81.73 @ Amazon UK)
Wireless Network Adapter: TP-Link TL-WN881ND 802.11b/g/n PCI-Express x1 Wi-Fi Adapter (£10.99 @ Aria PC)
Total: £365.90
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-04-21 22:01 BST+0100)

Replace italics with your answers.
What is this computer going to be used for?
Mainly minecraft (with shaders)
What is your budget?
£300-£400 thats around $450
Where do you live? If in the US, do you have a nearby Microcenter?
Britain, mainly British only sites
What is included in the budget?
Just the tower and OS, i have a monitor that i recently got for £140, 24 inch Hd
Will you be overclocking?
I might..
Will you be reusing any parts?
no
What OS do you want?
Microsoft Windows 8.1 (OEM) (64-bit)
Any specific case preferences?
Black with green/blue
Any other special features that you want in the build?
large hard drive wifi

Replace italics with your answers.
What is this computer going to be used for?
List what you will be doing with your computer.
What is your budget?
Include amount and currency.
Where do you live? If in the US, do you have a nearby Microcenter?
Your country lets us know what sites you can order from. If you have a nearby Microcenter they have some great in-store only deals that you can take advantage of.
What is included in the budget?
Things like the tower, the OS, peripherals and monitors.
Will you be overclocking?
Overclocking will require different hardware than a non-overclocking build so we need to know this.
Will you be reusing any parts?
If you are reusing parts list them here.
What OS do you want?
Say which OS you want or say if you already have a copy of one.
Any specific case preferences?
Size, color, etc.
Any other special features that you want in the build?
Stuff like an SSD, large hard drive, RAID, and wifi

[quote="57r4d"]No, it isnt, it also doesn't include an OS. I would recommend saving up at least 400 Pounds and getting this. It has a MUCH better CPU and a very good discrete video card.
[url=uk.pcpartpicker.com/p/3sx7C]PCPartPicker part list[/url] / [url=uk.pcpartpicker.com/p/3sx7C/by_merchant/]Price breakdown by merchant[/url] / [url=uk.pcpartpicker.com/p/3sx7C/benchmarks/]Benchmarks[/url]

[b]CPU:[/b] [url=uk.pcpartpicker.com/part/amd-cpu-fd6300wmhkbox]AMD FX-6300 3.5GHz 6-Core Processor[/url] (£76.79 @ Aria PC)
[b]Motherboard:[/b] [url=uk.pcpartpicker.com/part/msi-motherboard-970ag46]MSI 970A-G46 ATX AM3+ Motherboard[/url] (£56.70 @ Aria PC)
[b]Memory:[/b] [url=uk.pcpartpicker.com/part/gskill-memory-f31600c9d8gab]G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory[/url] (£58.49 @ Amazon UK)
[b]Storage:[/b] [url=uk.pcpartpicker.com/part/seagate-internal-hard-drive-st1000dm003]Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive[/url] (£40.09 @ Aria PC)
[b]Video Card:[/b] [url=uk.pcpartpicker.com/part/evga-video-card-02gp43751kr]EVGA GeForce GTX 750 Ti 2GB Video Card[/url] (£110.82 @ Ebuyer)
[b]Case:[/b] [url=uk.pcpartpicker.com/part/nzxt-case-s210001]NZXT Source 210 (Black) ATX Mid Tower Case[/url]
[b]Power Supply:[/b] [url=uk.pcpartpicker.com/part/corsair-power-supply-cx430m]Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply[/url] (£36.04 @ Amazon UK)
[b]Optical Drive:[/b] [url=uk.pcpartpicker.com/part/asus-optical-drive-drw24b1stblkbas]Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer[/url]
[b]Operating System:[/b] [url=uk.pcpartpicker.com/part/microsoft-os-wn700615]Microsoft Windows 8.1 (OEM) (64-bit)[/url] (£81.73 @ Amazon UK)
[b]Total:[/b] £460.66
[i](Prices include shipping, taxes, and discounts when available.)[/i]
[i](Generated by PCPartPicker 2014-04-21 18:30 BST+0100)[/quote]

[img]wac.450f.edgecastcdn.net/80450F/popcrush.com/files/2013/05/clapping.gif[/img]

No, it isnt. It also doesn't include an OS. I would recommend saving up at least 400 Pounds and getting this. It has a MUCH better CPU and a very good discrete video card.
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD FX-6300 3.5GHz 6-Core Processor (£76.79 @ Aria PC)
Motherboard: MSI 970A-G46 ATX AM3+ Motherboard (£56.70 @ Aria PC)
Memory: G.Skill Ares Series 8GB (2 x 4GB) DDR3-1600 Memory (£58.49 @ Amazon UK)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive (£40.09 @ Aria PC)
Video Card: EVGA GeForce GTX 750 Ti 2GB Video Card (£110.82 @ Ebuyer)
Case: NZXT Source 210 (Black) ATX Mid Tower Case
Power Supply: Corsair CX 430W 80+ Bronze Certified Semi-Modular ATX Power Supply (£36.04 @ Amazon UK)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£81.73 @ Amazon UK)
Total: £460.66
(Prices include shipping, taxes, and discounts when available.)
[i](Generated by PCPartPicker 2014-04-21 18:30 BST+0100)